Nobel panel to announce winner of medicine prize


              Swedish scientist Svante Paabo poses prior to a news conference at the Max Planck Institute for Evolutionary Anthropology in Leibzig, Germany, Monday, Oct. 3, 2022. Svante Paabo won the Nobel Prize in medicine for his discoveries on human evolution that provided key insights into our immune system and what makes us unique compared with our extinct cousins (AP Photo/Thomas Dietze)
            
              Director of the Max Planck Institute for Evolutionary Anthropology Johannes Krause, right, congratulates Swedish scientist Svante Paabo prior to a press conference at the institute in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo attends a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo celebrates after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo smiles after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses behind a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo is thrown into a pool outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo climbs out of a pool after his colleagues threw him into it, outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo swims in a pool after his colleagues threw him in, at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Sweden's King Carl Gustaf, left, flanked by Swedish professor Svante Paabo, visits the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, on Saturday, Oct. 08, 2016. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Jonas Ekstromer/TT News Agency via AP)
            
              Chair of the Nobel Committee for Physiology or Medicine Anna Wedell, left, presents the discovery made by Swedish scientist Svante Paabo, winner of the 2022 Nobel Prize in Physiology or Medicine, during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              Secretary of the Nobel Committee for Physiology or Medicine Thomas Perlmann announces the winner of the 2022 Nobel Prize in Physiology or Medicine to Swedish scientist Svante Paabo during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              This photo provide by the Max-Planck-Gesellschaft shows Swedish scientist Svante Paabo in Leipzig, Germany, April 27, 2010. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Frank Vinken for Max-Planck-Gesellschaft via AP)
            
              Swedish scientist Svante Paabo swims in a pool at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo poses prior to a news conference at the Max Planck Institute for Evolutionary Anthropology in Leibzig, Germany, Monday, Oct. 3, 2022. Svante Paabo won the Nobel Prize in medicine for his discoveries on human evolution that provided key insights into our immune system and what makes us unique compared with our extinct cousins (AP Photo/Thomas Dietze)
            
              Director of the Max Planck Institute for Evolutionary Anthropology Johannes Krause, right, congratulates Swedish scientist Svante Paabo prior to a press conference at the institute in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo attends a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo celebrates after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo smiles after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses behind a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo is thrown into a pool outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo climbs out of a pool after his colleagues threw him into it, outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo swims in a pool after his colleagues threw him in, at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Sweden's King Carl Gustaf, left, flanked by Swedish professor Svante Paabo, visits the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, on Saturday, Oct. 08, 2016. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Jonas Ekstromer/TT News Agency via AP)
            
              Chair of the Nobel Committee for Physiology or Medicine Anna Wedell, left, presents the discovery made by Swedish scientist Svante Paabo, winner of the 2022 Nobel Prize in Physiology or Medicine, during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              Secretary of the Nobel Committee for Physiology or Medicine Thomas Perlmann announces the winner of the 2022 Nobel Prize in Physiology or Medicine to Swedish scientist Svante Paabo during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              This photo provide by the Max-Planck-Gesellschaft shows Swedish scientist Svante Paabo in Leipzig, Germany, April 27, 2010. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Frank Vinken for Max-Planck-Gesellschaft via AP)
            
              Swedish scientist Svante Paabo swims in a pool at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo poses prior to a news conference at the Max Planck Institute for Evolutionary Anthropology in Leibzig, Germany, Monday, Oct. 3, 2022. Svante Paabo won the Nobel Prize in medicine for his discoveries on human evolution that provided key insights into our immune system and what makes us unique compared with our extinct cousins (AP Photo/Thomas Dietze)
            
              Director of the Max Planck Institute for Evolutionary Anthropology Johannes Krause, right, congratulates Swedish scientist Svante Paabo prior to a press conference at the institute in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo attends a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo celebrates after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo smiles after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses behind a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo is thrown into a pool outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo climbs out of a pool after his colleagues threw him into it, outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo swims in a pool after his colleagues threw him in, at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Sweden's King Carl Gustaf, left, flanked by Swedish professor Svante Paabo, visits the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, on Saturday, Oct. 08, 2016. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Jonas Ekstromer/TT News Agency via AP)
            
              Chair of the Nobel Committee for Physiology or Medicine Anna Wedell, left, presents the discovery made by Swedish scientist Svante Paabo, winner of the 2022 Nobel Prize in Physiology or Medicine, during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              Secretary of the Nobel Committee for Physiology or Medicine Thomas Perlmann announces the winner of the 2022 Nobel Prize in Physiology or Medicine to Swedish scientist Svante Paabo during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              This photo provide by the Max-Planck-Gesellschaft shows Swedish scientist Svante Paabo in Leipzig, Germany, April 27, 2010. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Frank Vinken for Max-Planck-Gesellschaft via AP)
            
              Swedish scientist Svante Paabo swims in a pool at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo poses prior to a news conference at the Max Planck Institute for Evolutionary Anthropology in Leibzig, Germany, Monday, Oct. 3, 2022. Svante Paabo won the Nobel Prize in medicine for his discoveries on human evolution that provided key insights into our immune system and what makes us unique compared with our extinct cousins (AP Photo/Thomas Dietze)
            
              Director of the Max Planck Institute for Evolutionary Anthropology Johannes Krause, right, congratulates Swedish scientist Svante Paabo prior to a press conference at the institute in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo attends a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo celebrates after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo smiles after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses behind a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo is thrown into a pool outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo climbs out of a pool after his colleagues threw him into it, outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo swims in a pool after his colleagues threw him in, at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Sweden's King Carl Gustaf, left, flanked by Swedish professor Svante Paabo, visits the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, on Saturday, Oct. 08, 2016. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Jonas Ekstromer/TT News Agency via AP)
            
              Chair of the Nobel Committee for Physiology or Medicine Anna Wedell, left, presents the discovery made by Swedish scientist Svante Paabo, winner of the 2022 Nobel Prize in Physiology or Medicine, during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              Secretary of the Nobel Committee for Physiology or Medicine Thomas Perlmann announces the winner of the 2022 Nobel Prize in Physiology or Medicine to Swedish scientist Svante Paabo during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              This photo provide by the Max-Planck-Gesellschaft shows Swedish scientist Svante Paabo in Leipzig, Germany, April 27, 2010. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Frank Vinken for Max-Planck-Gesellschaft via AP)
            
              Swedish scientist Svante Paabo swims in a pool at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo poses prior to a news conference at the Max Planck Institute for Evolutionary Anthropology in Leibzig, Germany, Monday, Oct. 3, 2022. Svante Paabo won the Nobel Prize in medicine for his discoveries on human evolution that provided key insights into our immune system and what makes us unique compared with our extinct cousins (AP Photo/Thomas Dietze)
            
              Director of the Max Planck Institute for Evolutionary Anthropology Johannes Krause, right, congratulates Swedish scientist Svante Paabo prior to a press conference at the institute in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo attends a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo celebrates after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo smiles after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses behind a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo is thrown into a pool outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo climbs out of a pool after his colleagues threw him into it, outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo swims in a pool after his colleagues threw him in, at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Sweden's King Carl Gustaf, left, flanked by Swedish professor Svante Paabo, visits the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, on Saturday, Oct. 08, 2016. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Jonas Ekstromer/TT News Agency via AP)
            
              Chair of the Nobel Committee for Physiology or Medicine Anna Wedell, left, presents the discovery made by Swedish scientist Svante Paabo, winner of the 2022 Nobel Prize in Physiology or Medicine, during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              Secretary of the Nobel Committee for Physiology or Medicine Thomas Perlmann announces the winner of the 2022 Nobel Prize in Physiology or Medicine to Swedish scientist Svante Paabo during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              This photo provide by the Max-Planck-Gesellschaft shows Swedish scientist Svante Paabo in Leipzig, Germany, April 27, 2010. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Frank Vinken for Max-Planck-Gesellschaft via AP)
            
              Swedish scientist Svante Paabo swims in a pool at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo poses prior to a news conference at the Max Planck Institute for Evolutionary Anthropology in Leibzig, Germany, Monday, Oct. 3, 2022. Svante Paabo won the Nobel Prize in medicine for his discoveries on human evolution that provided key insights into our immune system and what makes us unique compared with our extinct cousins (AP Photo/Thomas Dietze)
            
              Director of the Max Planck Institute for Evolutionary Anthropology Johannes Krause, right, congratulates Swedish scientist Svante Paabo prior to a press conference at the institute in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo attends a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo celebrates after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo smiles after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses behind a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo is thrown into a pool outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo climbs out of a pool after his colleagues threw him into it, outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo swims in a pool after his colleagues threw him in, at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Sweden's King Carl Gustaf, left, flanked by Swedish professor Svante Paabo, visits the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, on Saturday, Oct. 08, 2016. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Jonas Ekstromer/TT News Agency via AP)
            
              Chair of the Nobel Committee for Physiology or Medicine Anna Wedell, left, presents the discovery made by Swedish scientist Svante Paabo, winner of the 2022 Nobel Prize in Physiology or Medicine, during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              Secretary of the Nobel Committee for Physiology or Medicine Thomas Perlmann announces the winner of the 2022 Nobel Prize in Physiology or Medicine to Swedish scientist Svante Paabo during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              This photo provide by the Max-Planck-Gesellschaft shows Swedish scientist Svante Paabo in Leipzig, Germany, April 27, 2010. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Frank Vinken for Max-Planck-Gesellschaft via AP)
            
              Swedish scientist Svante Paabo swims in a pool at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo poses prior to a news conference at the Max Planck Institute for Evolutionary Anthropology in Leibzig, Germany, Monday, Oct. 3, 2022. Svante Paabo won the Nobel Prize in medicine for his discoveries on human evolution that provided key insights into our immune system and what makes us unique compared with our extinct cousins (AP Photo/Thomas Dietze)
            
              Director of the Max Planck Institute for Evolutionary Anthropology Johannes Krause, right, congratulates Swedish scientist Svante Paabo prior to a press conference at the institute in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo attends a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo celebrates after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo smiles after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses behind a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo is thrown into a pool outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo climbs out of a pool after his colleagues threw him into it, outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo swims in a pool after his colleagues threw him in, at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Sweden's King Carl Gustaf, left, flanked by Swedish professor Svante Paabo, visits the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, on Saturday, Oct. 08, 2016. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Jonas Ekstromer/TT News Agency via AP)
            
              Chair of the Nobel Committee for Physiology or Medicine Anna Wedell, left, presents the discovery made by Swedish scientist Svante Paabo, winner of the 2022 Nobel Prize in Physiology or Medicine, during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              Secretary of the Nobel Committee for Physiology or Medicine Thomas Perlmann announces the winner of the 2022 Nobel Prize in Physiology or Medicine to Swedish scientist Svante Paabo during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              This photo provide by the Max-Planck-Gesellschaft shows Swedish scientist Svante Paabo in Leipzig, Germany, April 27, 2010. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Frank Vinken for Max-Planck-Gesellschaft via AP)
            
              Swedish scientist Svante Paabo swims in a pool at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo poses prior to a news conference at the Max Planck Institute for Evolutionary Anthropology in Leibzig, Germany, Monday, Oct. 3, 2022. Svante Paabo won the Nobel Prize in medicine for his discoveries on human evolution that provided key insights into our immune system and what makes us unique compared with our extinct cousins (AP Photo/Thomas Dietze)
            
              Director of the Max Planck Institute for Evolutionary Anthropology Johannes Krause, right, congratulates Swedish scientist Svante Paabo prior to a press conference at the institute in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo attends a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo celebrates after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo smiles after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses behind a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo is thrown into a pool outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo climbs out of a pool after his colleagues threw him into it, outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo swims in a pool after his colleagues threw him in, at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Sweden's King Carl Gustaf, left, flanked by Swedish professor Svante Paabo, visits the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, on Saturday, Oct. 08, 2016. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Jonas Ekstromer/TT News Agency via AP)
            
              Chair of the Nobel Committee for Physiology or Medicine Anna Wedell, left, presents the discovery made by Swedish scientist Svante Paabo, winner of the 2022 Nobel Prize in Physiology or Medicine, during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              Secretary of the Nobel Committee for Physiology or Medicine Thomas Perlmann announces the winner of the 2022 Nobel Prize in Physiology or Medicine to Swedish scientist Svante Paabo during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              This photo provide by the Max-Planck-Gesellschaft shows Swedish scientist Svante Paabo in Leipzig, Germany, April 27, 2010. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Frank Vinken for Max-Planck-Gesellschaft via AP)
            
              Swedish scientist Svante Paabo swims in a pool at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo poses prior to a news conference at the Max Planck Institute for Evolutionary Anthropology in Leibzig, Germany, Monday, Oct. 3, 2022. Svante Paabo won the Nobel Prize in medicine for his discoveries on human evolution that provided key insights into our immune system and what makes us unique compared with our extinct cousins (AP Photo/Thomas Dietze)
            
              Director of the Max Planck Institute for Evolutionary Anthropology Johannes Krause, right, congratulates Swedish scientist Svante Paabo prior to a press conference at the institute in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo attends a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo celebrates after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo smiles after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses behind a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo is thrown into a pool outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo climbs out of a pool after his colleagues threw him into it, outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo swims in a pool after his colleagues threw him in, at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Sweden's King Carl Gustaf, left, flanked by Swedish professor Svante Paabo, visits the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, on Saturday, Oct. 08, 2016. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Jonas Ekstromer/TT News Agency via AP)
            
              Chair of the Nobel Committee for Physiology or Medicine Anna Wedell, left, presents the discovery made by Swedish scientist Svante Paabo, winner of the 2022 Nobel Prize in Physiology or Medicine, during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              Secretary of the Nobel Committee for Physiology or Medicine Thomas Perlmann announces the winner of the 2022 Nobel Prize in Physiology or Medicine to Swedish scientist Svante Paabo during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              This photo provide by the Max-Planck-Gesellschaft shows Swedish scientist Svante Paabo in Leipzig, Germany, April 27, 2010. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Frank Vinken for Max-Planck-Gesellschaft via AP)
            
              Swedish scientist Svante Paabo swims in a pool at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo poses prior to a news conference at the Max Planck Institute for Evolutionary Anthropology in Leibzig, Germany, Monday, Oct. 3, 2022. Svante Paabo won the Nobel Prize in medicine for his discoveries on human evolution that provided key insights into our immune system and what makes us unique compared with our extinct cousins (AP Photo/Thomas Dietze)
            
              Director of the Max Planck Institute for Evolutionary Anthropology Johannes Krause, right, congratulates Swedish scientist Svante Paabo prior to a press conference at the institute in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo attends a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo celebrates after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo smiles after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses behind a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo is thrown into a pool outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo climbs out of a pool after his colleagues threw him into it, outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo swims in a pool after his colleagues threw him in, at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Sweden's King Carl Gustaf, left, flanked by Swedish professor Svante Paabo, visits the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, on Saturday, Oct. 08, 2016. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Jonas Ekstromer/TT News Agency via AP)
            
              Chair of the Nobel Committee for Physiology or Medicine Anna Wedell, left, presents the discovery made by Swedish scientist Svante Paabo, winner of the 2022 Nobel Prize in Physiology or Medicine, during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              Secretary of the Nobel Committee for Physiology or Medicine Thomas Perlmann announces the winner of the 2022 Nobel Prize in Physiology or Medicine to Swedish scientist Svante Paabo during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              This photo provide by the Max-Planck-Gesellschaft shows Swedish scientist Svante Paabo in Leipzig, Germany, April 27, 2010. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Frank Vinken for Max-Planck-Gesellschaft via AP)
            
              Swedish scientist Svante Paabo swims in a pool at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo poses prior to a news conference at the Max Planck Institute for Evolutionary Anthropology in Leibzig, Germany, Monday, Oct. 3, 2022. Svante Paabo won the Nobel Prize in medicine for his discoveries on human evolution that provided key insights into our immune system and what makes us unique compared with our extinct cousins (AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo poses prior to a news conference at the Max Planck Institute for Evolutionary Anthropology in Leibzig, Germany, Monday, Oct. 3, 2022. Svante Paabo won the Nobel Prize in medicine for his discoveries on human evolution that provided key insights into our immune system and what makes us unique compared with our extinct cousins (AP Photo/Thomas Dietze)
            
              Director of the Max Planck Institute for Evolutionary Anthropology Johannes Krause, right, congratulates Swedish scientist Svante Paabo prior to a press conference at the institute in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Director of the Max Planck Institute for Evolutionary Anthropology Johannes Krause, right, congratulates Swedish scientist Svante Paabo prior to a press conference at the institute in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo attends a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo attends a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo celebrates after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo celebrates after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo smiles after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses behind a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses behind a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo is thrown into a pool outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo is thrown into a pool outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo climbs out of a pool after his colleagues threw him into it, outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo climbs out of a pool after his colleagues threw him into it, outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo swims in a pool after his colleagues threw him in, at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo swims in a pool after his colleagues threw him in, at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Sweden's King Carl Gustaf, left, flanked by Swedish professor Svante Paabo, visits the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, on Saturday, Oct. 08, 2016. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Jonas Ekstromer/TT News Agency via AP)
            
              Sweden's King Carl Gustaf, left, flanked by Swedish professor Svante Paabo, visits the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, on Saturday, Oct. 08, 2016. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Jonas Ekstromer/TT News Agency via AP)
            
              Chair of the Nobel Committee for Physiology or Medicine Anna Wedell, left, presents the discovery made by Swedish scientist Svante Paabo, winner of the 2022 Nobel Prize in Physiology or Medicine, during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              Chair of the Nobel Committee for Physiology or Medicine Anna Wedell, left, presents the discovery made by Swedish scientist Svante Paabo, winner of the 2022 Nobel Prize in Physiology or Medicine, during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              Secretary of the Nobel Committee for Physiology or Medicine Thomas Perlmann announces the winner of the 2022 Nobel Prize in Physiology or Medicine to Swedish scientist Svante Paabo during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              Secretary of the Nobel Committee for Physiology or Medicine Thomas Perlmann announces the winner of the 2022 Nobel Prize in Physiology or Medicine to Swedish scientist Svante Paabo during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              This photo provide by the Max-Planck-Gesellschaft shows Swedish scientist Svante Paabo in Leipzig, Germany, April 27, 2010. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Frank Vinken for Max-Planck-Gesellschaft via AP)
            
              This photo provide by the Max-Planck-Gesellschaft shows Swedish scientist Svante Paabo in Leipzig, Germany, April 27, 2010. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Frank Vinken for Max-Planck-Gesellschaft via AP)
            
              Swedish scientist Svante Paabo swims in a pool at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo swims in a pool at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo poses prior to a news conference at the Max Planck Institute for Evolutionary Anthropology in Leibzig, Germany, Monday, Oct. 3, 2022. Svante Paabo won the Nobel Prize in medicine for his discoveries on human evolution that provided key insights into our immune system and what makes us unique compared with our extinct cousins (AP Photo/Thomas Dietze)
            
              Director of the Max Planck Institute for Evolutionary Anthropology Johannes Krause, right, congratulates Swedish scientist Svante Paabo prior to a press conference at the institute in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo attends a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo celebrates after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo smiles after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses behind a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo is thrown into a pool outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo climbs out of a pool after his colleagues threw him into it, outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo swims in a pool after his colleagues threw him in, at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Sweden's King Carl Gustaf, left, flanked by Swedish professor Svante Paabo, visits the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, on Saturday, Oct. 08, 2016. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Jonas Ekstromer/TT News Agency via AP)
            
              Chair of the Nobel Committee for Physiology or Medicine Anna Wedell, left, presents the discovery made by Swedish scientist Svante Paabo, winner of the 2022 Nobel Prize in Physiology or Medicine, during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              Secretary of the Nobel Committee for Physiology or Medicine Thomas Perlmann announces the winner of the 2022 Nobel Prize in Physiology or Medicine to Swedish scientist Svante Paabo during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              This photo provide by the Max-Planck-Gesellschaft shows Swedish scientist Svante Paabo in Leipzig, Germany, April 27, 2010. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Frank Vinken for Max-Planck-Gesellschaft via AP)
            
              Swedish scientist Svante Paabo swims in a pool at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo poses prior to a news conference at the Max Planck Institute for Evolutionary Anthropology in Leibzig, Germany, Monday, Oct. 3, 2022. Svante Paabo won the Nobel Prize in medicine for his discoveries on human evolution that provided key insights into our immune system and what makes us unique compared with our extinct cousins (AP Photo/Thomas Dietze)
            
              Director of the Max Planck Institute for Evolutionary Anthropology Johannes Krause, right, congratulates Swedish scientist Svante Paabo prior to a press conference at the institute in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo attends a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo celebrates after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo smiles after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses behind a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo is thrown into a pool outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo climbs out of a pool after his colleagues threw him into it, outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo swims in a pool after his colleagues threw him in, at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Sweden's King Carl Gustaf, left, flanked by Swedish professor Svante Paabo, visits the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, on Saturday, Oct. 08, 2016. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Jonas Ekstromer/TT News Agency via AP)
            
              Chair of the Nobel Committee for Physiology or Medicine Anna Wedell, left, presents the discovery made by Swedish scientist Svante Paabo, winner of the 2022 Nobel Prize in Physiology or Medicine, during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              Secretary of the Nobel Committee for Physiology or Medicine Thomas Perlmann announces the winner of the 2022 Nobel Prize in Physiology or Medicine to Swedish scientist Svante Paabo during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              This photo provide by the Max-Planck-Gesellschaft shows Swedish scientist Svante Paabo in Leipzig, Germany, April 27, 2010. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Frank Vinken for Max-Planck-Gesellschaft via AP)
            
              Swedish scientist Svante Paabo swims in a pool at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Director of the Max Planck Institute for Evolutionary Anthropology Johannes Krause, right, congratulates Swedish scientist Svante Paabo prior to a press conference at the institute in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo attends a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo climbs out of a pool after his colleagues threw him into it, outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Sweden's King Carl Gustaf, left, flanked by Swedish professor Svante Paabo, visits the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, on Saturday, Oct. 08, 2016. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Jonas Ekstromer/TT News Agency via AP)
            
              Chair of the Nobel Committee for Physiology or Medicine Anna Wedell, left, presents the discovery made by Swedish scientist Svante Paabo, winner of the 2022 Nobel Prize in Physiology or Medicine, during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              Secretary of the Nobel Committee for Physiology or Medicine Thomas Perlmann announces the winner of the 2022 Nobel Prize in Physiology or Medicine to Swedish scientist Svante Paabo during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              This photo provide by the Max-Planck-Gesellschaft shows Swedish scientist Svante Paabo in Leipzig, Germany, April 27, 2010. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Frank Vinken for Max-Planck-Gesellschaft via AP)
            
              Swedish scientist Svante Paabo swims in a pool at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo poses prior to a news conference at the Max Planck Institute for Evolutionary Anthropology in Leibzig, Germany, Monday, Oct. 3, 2022. Svante Paabo won the Nobel Prize in medicine for his discoveries on human evolution that provided key insights into our immune system and what makes us unique compared with our extinct cousins (AP Photo/Thomas Dietze)
            
              Director of the Max Planck Institute for Evolutionary Anthropology Johannes Krause, right, congratulates Swedish scientist Svante Paabo prior to a press conference at the institute in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo attends a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo celebrates after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo smiles after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses behind a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo is thrown into a pool outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo climbs out of a pool after his colleagues threw him into it, outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo swims in a pool after his colleagues threw him in, at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Sweden's King Carl Gustaf, left, flanked by Swedish professor Svante Paabo, visits the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, on Saturday, Oct. 08, 2016. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Jonas Ekstromer/TT News Agency via AP)
            
              Chair of the Nobel Committee for Physiology or Medicine Anna Wedell, left, presents the discovery made by Swedish scientist Svante Paabo, winner of the 2022 Nobel Prize in Physiology or Medicine, during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              Secretary of the Nobel Committee for Physiology or Medicine Thomas Perlmann announces the winner of the 2022 Nobel Prize in Physiology or Medicine to Swedish scientist Svante Paabo during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              This photo provide by the Max-Planck-Gesellschaft shows Swedish scientist Svante Paabo in Leipzig, Germany, April 27, 2010. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Frank Vinken for Max-Planck-Gesellschaft via AP)
            
              Swedish scientist Svante Paabo swims in a pool at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo poses prior to a news conference at the Max Planck Institute for Evolutionary Anthropology in Leibzig, Germany, Monday, Oct. 3, 2022. Svante Paabo won the Nobel Prize in medicine for his discoveries on human evolution that provided key insights into our immune system and what makes us unique compared with our extinct cousins (AP Photo/Thomas Dietze)
            
              Director of the Max Planck Institute for Evolutionary Anthropology Johannes Krause, right, congratulates Swedish scientist Svante Paabo prior to a press conference at the institute in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo attends a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo smiles after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo swims in a pool after his colleagues threw him in, at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Sweden's King Carl Gustaf, left, flanked by Swedish professor Svante Paabo, visits the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, on Saturday, Oct. 08, 2016. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Jonas Ekstromer/TT News Agency via AP)
            
              Chair of the Nobel Committee for Physiology or Medicine Anna Wedell, left, presents the discovery made by Swedish scientist Svante Paabo, winner of the 2022 Nobel Prize in Physiology or Medicine, during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              Secretary of the Nobel Committee for Physiology or Medicine Thomas Perlmann announces the winner of the 2022 Nobel Prize in Physiology or Medicine to Swedish scientist Svante Paabo during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              This photo provide by the Max-Planck-Gesellschaft shows Swedish scientist Svante Paabo in Leipzig, Germany, April 27, 2010. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Frank Vinken for Max-Planck-Gesellschaft via AP)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Director of the Max Planck Institute for Evolutionary Anthropology Johannes Krause, right, congratulates Swedish scientist Svante Paabo prior to a press conference at the institute in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo attends a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo is thrown into a pool outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo climbs out of a pool after his colleagues threw him into it, outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo swims in a pool after his colleagues threw him in, at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Sweden's King Carl Gustaf, left, flanked by Swedish professor Svante Paabo, visits the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, on Saturday, Oct. 08, 2016. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Jonas Ekstromer/TT News Agency via AP)
            
              Chair of the Nobel Committee for Physiology or Medicine Anna Wedell, left, presents the discovery made by Swedish scientist Svante Paabo, winner of the 2022 Nobel Prize in Physiology or Medicine, during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              Secretary of the Nobel Committee for Physiology or Medicine Thomas Perlmann announces the winner of the 2022 Nobel Prize in Physiology or Medicine to Swedish scientist Svante Paabo during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              This photo provide by the Max-Planck-Gesellschaft shows Swedish scientist Svante Paabo in Leipzig, Germany, April 27, 2010. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Frank Vinken for Max-Planck-Gesellschaft via AP)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo poses prior to a news conference at the Max Planck Institute for Evolutionary Anthropology in Leibzig, Germany, Monday, Oct. 3, 2022. Svante Paabo won the Nobel Prize in medicine for his discoveries on human evolution that provided key insights into our immune system and what makes us unique compared with our extinct cousins (AP Photo/Thomas Dietze)
            
              Director of the Max Planck Institute for Evolutionary Anthropology Johannes Krause, right, congratulates Swedish scientist Svante Paabo prior to a press conference at the institute in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo attends a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo celebrates after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo smiles after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses behind a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo is thrown into a pool outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo climbs out of a pool after his colleagues threw him into it, outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo swims in a pool after his colleagues threw him in, at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Sweden's King Carl Gustaf, left, flanked by Swedish professor Svante Paabo, visits the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, on Saturday, Oct. 08, 2016. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Jonas Ekstromer/TT News Agency via AP)
            
              Chair of the Nobel Committee for Physiology or Medicine Anna Wedell, left, presents the discovery made by Swedish scientist Svante Paabo, winner of the 2022 Nobel Prize in Physiology or Medicine, during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              Secretary of the Nobel Committee for Physiology or Medicine Thomas Perlmann announces the winner of the 2022 Nobel Prize in Physiology or Medicine to Swedish scientist Svante Paabo during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              This photo provide by the Max-Planck-Gesellschaft shows Swedish scientist Svante Paabo in Leipzig, Germany, April 27, 2010. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Frank Vinken for Max-Planck-Gesellschaft via AP)
            
              Swedish scientist Svante Paabo swims in a pool at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo poses prior to a news conference at the Max Planck Institute for Evolutionary Anthropology in Leibzig, Germany, Monday, Oct. 3, 2022. Svante Paabo won the Nobel Prize in medicine for his discoveries on human evolution that provided key insights into our immune system and what makes us unique compared with our extinct cousins (AP Photo/Thomas Dietze)
            
              Director of the Max Planck Institute for Evolutionary Anthropology Johannes Krause, right, congratulates Swedish scientist Svante Paabo prior to a press conference at the institute in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo attends a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo celebrates after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo smiles after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses behind a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo is thrown into a pool outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo climbs out of a pool after his colleagues threw him into it, outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo swims in a pool after his colleagues threw him in, at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Sweden's King Carl Gustaf, left, flanked by Swedish professor Svante Paabo, visits the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, on Saturday, Oct. 08, 2016. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Jonas Ekstromer/TT News Agency via AP)
            
              Chair of the Nobel Committee for Physiology or Medicine Anna Wedell, left, presents the discovery made by Swedish scientist Svante Paabo, winner of the 2022 Nobel Prize in Physiology or Medicine, during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              Secretary of the Nobel Committee for Physiology or Medicine Thomas Perlmann announces the winner of the 2022 Nobel Prize in Physiology or Medicine to Swedish scientist Svante Paabo during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              This photo provide by the Max-Planck-Gesellschaft shows Swedish scientist Svante Paabo in Leipzig, Germany, April 27, 2010. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Frank Vinken for Max-Planck-Gesellschaft via AP)
            
              Swedish scientist Svante Paabo swims in a pool at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo poses prior to a news conference at the Max Planck Institute for Evolutionary Anthropology in Leibzig, Germany, Monday, Oct. 3, 2022. Svante Paabo won the Nobel Prize in medicine for his discoveries on human evolution that provided key insights into our immune system and what makes us unique compared with our extinct cousins (AP Photo/Thomas Dietze)
            
              Director of the Max Planck Institute for Evolutionary Anthropology Johannes Krause, right, congratulates Swedish scientist Svante Paabo prior to a press conference at the institute in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo attends a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo celebrates after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo smiles after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses behind a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo is thrown into a pool outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo climbs out of a pool after his colleagues threw him into it, outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo swims in a pool after his colleagues threw him in, at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Sweden's King Carl Gustaf, left, flanked by Swedish professor Svante Paabo, visits the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, on Saturday, Oct. 08, 2016. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Jonas Ekstromer/TT News Agency via AP)
            
              Chair of the Nobel Committee for Physiology or Medicine Anna Wedell, left, presents the discovery made by Swedish scientist Svante Paabo, winner of the 2022 Nobel Prize in Physiology or Medicine, during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              Secretary of the Nobel Committee for Physiology or Medicine Thomas Perlmann announces the winner of the 2022 Nobel Prize in Physiology or Medicine to Swedish scientist Svante Paabo during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              This photo provide by the Max-Planck-Gesellschaft shows Swedish scientist Svante Paabo in Leipzig, Germany, April 27, 2010. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Frank Vinken for Max-Planck-Gesellschaft via AP)
            
              Swedish scientist Svante Paabo swims in a pool at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo poses prior to a news conference at the Max Planck Institute for Evolutionary Anthropology in Leibzig, Germany, Monday, Oct. 3, 2022. Svante Paabo won the Nobel Prize in medicine for his discoveries on human evolution that provided key insights into our immune system and what makes us unique compared with our extinct cousins (AP Photo/Thomas Dietze)
            
              Director of the Max Planck Institute for Evolutionary Anthropology Johannes Krause, right, congratulates Swedish scientist Svante Paabo prior to a press conference at the institute in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo attends a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo celebrates after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo smiles after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses behind a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo is thrown into a pool outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo climbs out of a pool after his colleagues threw him into it, outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo swims in a pool after his colleagues threw him in, at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Sweden's King Carl Gustaf, left, flanked by Swedish professor Svante Paabo, visits the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, on Saturday, Oct. 08, 2016. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Jonas Ekstromer/TT News Agency via AP)
            
              Chair of the Nobel Committee for Physiology or Medicine Anna Wedell, left, presents the discovery made by Swedish scientist Svante Paabo, winner of the 2022 Nobel Prize in Physiology or Medicine, during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              Secretary of the Nobel Committee for Physiology or Medicine Thomas Perlmann announces the winner of the 2022 Nobel Prize in Physiology or Medicine to Swedish scientist Svante Paabo during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              This photo provide by the Max-Planck-Gesellschaft shows Swedish scientist Svante Paabo in Leipzig, Germany, April 27, 2010. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Frank Vinken for Max-Planck-Gesellschaft via AP)
            
              Swedish scientist Svante Paabo swims in a pool at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo poses prior to a news conference at the Max Planck Institute for Evolutionary Anthropology in Leibzig, Germany, Monday, Oct. 3, 2022. Svante Paabo won the Nobel Prize in medicine for his discoveries on human evolution that provided key insights into our immune system and what makes us unique compared with our extinct cousins (AP Photo/Thomas Dietze)
            
              Director of the Max Planck Institute for Evolutionary Anthropology Johannes Krause, right, congratulates Swedish scientist Svante Paabo prior to a press conference at the institute in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo attends a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo celebrates after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo smiles after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses behind a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo is thrown into a pool outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo climbs out of a pool after his colleagues threw him into it, outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo swims in a pool after his colleagues threw him in, at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Sweden's King Carl Gustaf, left, flanked by Swedish professor Svante Paabo, visits the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, on Saturday, Oct. 08, 2016. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Jonas Ekstromer/TT News Agency via AP)
            
              Chair of the Nobel Committee for Physiology or Medicine Anna Wedell, left, presents the discovery made by Swedish scientist Svante Paabo, winner of the 2022 Nobel Prize in Physiology or Medicine, during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              Secretary of the Nobel Committee for Physiology or Medicine Thomas Perlmann announces the winner of the 2022 Nobel Prize in Physiology or Medicine to Swedish scientist Svante Paabo during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              This photo provide by the Max-Planck-Gesellschaft shows Swedish scientist Svante Paabo in Leipzig, Germany, April 27, 2010. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Frank Vinken for Max-Planck-Gesellschaft via AP)
            
              Swedish scientist Svante Paabo swims in a pool at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo poses prior to a news conference at the Max Planck Institute for Evolutionary Anthropology in Leibzig, Germany, Monday, Oct. 3, 2022. Svante Paabo won the Nobel Prize in medicine for his discoveries on human evolution that provided key insights into our immune system and what makes us unique compared with our extinct cousins (AP Photo/Thomas Dietze)
            
              Director of the Max Planck Institute for Evolutionary Anthropology Johannes Krause, right, congratulates Swedish scientist Svante Paabo prior to a press conference at the institute in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo attends a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo celebrates after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo smiles after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses behind a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo is thrown into a pool outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo climbs out of a pool after his colleagues threw him into it, outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo swims in a pool after his colleagues threw him in, at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Sweden's King Carl Gustaf, left, flanked by Swedish professor Svante Paabo, visits the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, on Saturday, Oct. 08, 2016. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Jonas Ekstromer/TT News Agency via AP)
            
              Chair of the Nobel Committee for Physiology or Medicine Anna Wedell, left, presents the discovery made by Swedish scientist Svante Paabo, winner of the 2022 Nobel Prize in Physiology or Medicine, during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              Secretary of the Nobel Committee for Physiology or Medicine Thomas Perlmann announces the winner of the 2022 Nobel Prize in Physiology or Medicine to Swedish scientist Svante Paabo during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              This photo provide by the Max-Planck-Gesellschaft shows Swedish scientist Svante Paabo in Leipzig, Germany, April 27, 2010. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Frank Vinken for Max-Planck-Gesellschaft via AP)
            
              Swedish scientist Svante Paabo swims in a pool at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo poses prior to a news conference at the Max Planck Institute for Evolutionary Anthropology in Leibzig, Germany, Monday, Oct. 3, 2022. Svante Paabo won the Nobel Prize in medicine for his discoveries on human evolution that provided key insights into our immune system and what makes us unique compared with our extinct cousins (AP Photo/Thomas Dietze)
            
              Director of the Max Planck Institute for Evolutionary Anthropology Johannes Krause, right, congratulates Swedish scientist Svante Paabo prior to a press conference at the institute in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo attends a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo celebrates after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo smiles after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses behind a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo is thrown into a pool outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo climbs out of a pool after his colleagues threw him into it, outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo swims in a pool after his colleagues threw him in, at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Sweden's King Carl Gustaf, left, flanked by Swedish professor Svante Paabo, visits the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, on Saturday, Oct. 08, 2016. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Jonas Ekstromer/TT News Agency via AP)
            
              Chair of the Nobel Committee for Physiology or Medicine Anna Wedell, left, presents the discovery made by Swedish scientist Svante Paabo, winner of the 2022 Nobel Prize in Physiology or Medicine, during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              Secretary of the Nobel Committee for Physiology or Medicine Thomas Perlmann announces the winner of the 2022 Nobel Prize in Physiology or Medicine to Swedish scientist Svante Paabo during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              This photo provide by the Max-Planck-Gesellschaft shows Swedish scientist Svante Paabo in Leipzig, Germany, April 27, 2010. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Frank Vinken for Max-Planck-Gesellschaft via AP)
            
              Swedish scientist Svante Paabo swims in a pool at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo poses prior to a news conference at the Max Planck Institute for Evolutionary Anthropology in Leibzig, Germany, Monday, Oct. 3, 2022. Svante Paabo won the Nobel Prize in medicine for his discoveries on human evolution that provided key insights into our immune system and what makes us unique compared with our extinct cousins (AP Photo/Thomas Dietze)
            
              Director of the Max Planck Institute for Evolutionary Anthropology Johannes Krause, right, congratulates Swedish scientist Svante Paabo prior to a press conference at the institute in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo attends a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo celebrates after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo smiles after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses behind a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo is thrown into a pool outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo climbs out of a pool after his colleagues threw him into it, outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo swims in a pool after his colleagues threw him in, at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Sweden's King Carl Gustaf, left, flanked by Swedish professor Svante Paabo, visits the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, on Saturday, Oct. 08, 2016. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Jonas Ekstromer/TT News Agency via AP)
            
              Chair of the Nobel Committee for Physiology or Medicine Anna Wedell, left, presents the discovery made by Swedish scientist Svante Paabo, winner of the 2022 Nobel Prize in Physiology or Medicine, during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              Secretary of the Nobel Committee for Physiology or Medicine Thomas Perlmann announces the winner of the 2022 Nobel Prize in Physiology or Medicine to Swedish scientist Svante Paabo during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              This photo provide by the Max-Planck-Gesellschaft shows Swedish scientist Svante Paabo in Leipzig, Germany, April 27, 2010. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Frank Vinken for Max-Planck-Gesellschaft via AP)
            
              Swedish scientist Svante Paabo swims in a pool at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo poses prior to a news conference at the Max Planck Institute for Evolutionary Anthropology in Leibzig, Germany, Monday, Oct. 3, 2022. Svante Paabo won the Nobel Prize in medicine for his discoveries on human evolution that provided key insights into our immune system and what makes us unique compared with our extinct cousins (AP Photo/Thomas Dietze)
            
              Director of the Max Planck Institute for Evolutionary Anthropology Johannes Krause, right, congratulates Swedish scientist Svante Paabo prior to a press conference at the institute in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo attends a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo celebrates after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo smiles after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses behind a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo is thrown into a pool outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo climbs out of a pool after his colleagues threw him into it, outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo swims in a pool after his colleagues threw him in, at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Sweden's King Carl Gustaf, left, flanked by Swedish professor Svante Paabo, visits the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, on Saturday, Oct. 08, 2016. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Jonas Ekstromer/TT News Agency via AP)
            
              Chair of the Nobel Committee for Physiology or Medicine Anna Wedell, left, presents the discovery made by Swedish scientist Svante Paabo, winner of the 2022 Nobel Prize in Physiology or Medicine, during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              Secretary of the Nobel Committee for Physiology or Medicine Thomas Perlmann announces the winner of the 2022 Nobel Prize in Physiology or Medicine to Swedish scientist Svante Paabo during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              This photo provide by the Max-Planck-Gesellschaft shows Swedish scientist Svante Paabo in Leipzig, Germany, April 27, 2010. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Frank Vinken for Max-Planck-Gesellschaft via AP)
            
              Swedish scientist Svante Paabo swims in a pool at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo poses prior to a news conference at the Max Planck Institute for Evolutionary Anthropology in Leibzig, Germany, Monday, Oct. 3, 2022. Svante Paabo won the Nobel Prize in medicine for his discoveries on human evolution that provided key insights into our immune system and what makes us unique compared with our extinct cousins (AP Photo/Thomas Dietze)
            
              Director of the Max Planck Institute for Evolutionary Anthropology Johannes Krause, right, congratulates Swedish scientist Svante Paabo prior to a press conference at the institute in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo attends a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo celebrates after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo smiles after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses behind a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo is thrown into a pool outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo climbs out of a pool after his colleagues threw him into it, outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo swims in a pool after his colleagues threw him in, at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Sweden's King Carl Gustaf, left, flanked by Swedish professor Svante Paabo, visits the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, on Saturday, Oct. 08, 2016. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Jonas Ekstromer/TT News Agency via AP)
            
              Chair of the Nobel Committee for Physiology or Medicine Anna Wedell, left, presents the discovery made by Swedish scientist Svante Paabo, winner of the 2022 Nobel Prize in Physiology or Medicine, during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              Secretary of the Nobel Committee for Physiology or Medicine Thomas Perlmann announces the winner of the 2022 Nobel Prize in Physiology or Medicine to Swedish scientist Svante Paabo during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              This photo provide by the Max-Planck-Gesellschaft shows Swedish scientist Svante Paabo in Leipzig, Germany, April 27, 2010. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Frank Vinken for Max-Planck-Gesellschaft via AP)
            
              Swedish scientist Svante Paabo swims in a pool at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo poses prior to a news conference at the Max Planck Institute for Evolutionary Anthropology in Leibzig, Germany, Monday, Oct. 3, 2022. Svante Paabo won the Nobel Prize in medicine for his discoveries on human evolution that provided key insights into our immune system and what makes us unique compared with our extinct cousins (AP Photo/Thomas Dietze)
            
              Director of the Max Planck Institute for Evolutionary Anthropology Johannes Krause, right, congratulates Swedish scientist Svante Paabo prior to a press conference at the institute in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo attends a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo celebrates after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo smiles after a press conference at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Thomas Dietze)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses behind a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo is thrown into a pool outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo climbs out of a pool after his colleagues threw him into it, outside the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo swims in a pool after his colleagues threw him in, at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Sweden's King Carl Gustaf, left, flanked by Swedish professor Svante Paabo, visits the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, on Saturday, Oct. 08, 2016. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Jonas Ekstromer/TT News Agency via AP)
            
              Chair of the Nobel Committee for Physiology or Medicine Anna Wedell, left, presents the discovery made by Swedish scientist Svante Paabo, winner of the 2022 Nobel Prize in Physiology or Medicine, during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              Secretary of the Nobel Committee for Physiology or Medicine Thomas Perlmann announces the winner of the 2022 Nobel Prize in Physiology or Medicine to Swedish scientist Svante Paabo during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              This photo provide by the Max-Planck-Gesellschaft shows Swedish scientist Svante Paabo in Leipzig, Germany, April 27, 2010. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Frank Vinken for Max-Planck-Gesellschaft via AP)
            
              Swedish scientist Svante Paabo swims in a pool at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Thomas Perlmann, member of the Nobel Committee for Physiology or Medicine, announces the winner of the 2022 Nobel Prize in Physiology or Medicine to Swedish scientist Svante Paabo, pictured on the screen, during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              Swedish scientist Svante Paabo smiles in Leipzig, Germany, on Nov. 23, 2012. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo smiles at the award ceremony at the Hamburg Kerber Foundation's European Science Prize, in Hamburg, Germany, Sept. 7, 2018. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Christian Charisius/dpa via AP)
            
              This photo provide by the Max-Planck-Gesellschaft shows Swedish scientist Svante Paabo in Leipzig, Germany, April 27, 2010. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Frank Vinken for Max-Planck-Gesellschaft via AP)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo swims in a pool at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Thomas Perlmann, member of the Nobel Committee for Physiology or Medicine, announces the winner of the 2022 Nobel Prize in Physiology or Medicine to Swedish scientist Svante Paabo, pictured on the screen, during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              Swedish scientist Svante Paabo smiles in Leipzig, Germany, on Nov. 23, 2012. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo smiles at the award ceremony at the Hamburg Kerber Foundation's European Science Prize, in Hamburg, Germany, Sept. 7, 2018. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Christian Charisius/dpa via AP)
            
              This photo provide by the Max-Planck-Gesellschaft shows Swedish scientist Svante Paabo in Leipzig, Germany, April 27, 2010. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Frank Vinken for Max-Planck-Gesellschaft via AP)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo swims in a pool at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Thomas Perlmann, member of the Nobel Committee for Physiology or Medicine, announces the winner of the 2022 Nobel Prize in Physiology or Medicine to Swedish scientist Svante Paabo, pictured on the screen, during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              Swedish scientist Svante Paabo smiles in Leipzig, Germany, on Nov. 23, 2012. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo smiles at the award ceremony at the Hamburg Kerber Foundation's European Science Prize, in Hamburg, Germany, Sept. 7, 2018. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Christian Charisius/dpa via AP)
            
              This photo provide by the Max-Planck-Gesellschaft shows Swedish scientist Svante Paabo in Leipzig, Germany, April 27, 2010. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Frank Vinken for Max-Planck-Gesellschaft via AP)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo swims in a pool at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Thomas Perlmann, member of the Nobel Committee for Physiology or Medicine, announces the winner of the 2022 Nobel Prize in Physiology or Medicine to Swedish scientist Svante Paabo, pictured on the screen, during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              Swedish scientist Svante Paabo smiles in Leipzig, Germany, on Nov. 23, 2012. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo smiles at the award ceremony at the Hamburg Kerber Foundation's European Science Prize, in Hamburg, Germany, Sept. 7, 2018. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Christian Charisius/dpa via AP)
            
              This photo provide by the Max-Planck-Gesellschaft shows Swedish scientist Svante Paabo in Leipzig, Germany, April 27, 2010. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Frank Vinken for Max-Planck-Gesellschaft via AP)
            
              Swedish scientist Svante Paabo poses with a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo swims in a pool at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution.(AP Photo/Matthias Schrader)
            
              Swedish scientist Svante Paabo stands by a replica of a Neanderthal skeleton at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, Monday, Oct. 3, 2022. Swedish scientist Svante Paabo was awarded the 2022 Nobel Prize in Physiology or Medicine for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Thomas Perlmann, member of the Nobel Committee for Physiology or Medicine, announces the winner of the 2022 Nobel Prize in Physiology or Medicine to Swedish scientist Svante Paabo, pictured on the screen, during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              Swedish scientist Svante Paabo smiles in Leipzig, Germany, on Nov. 23, 2012. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Chair of the Nobel Committee for Physiology or Medicine Anna Wedell, left, presents the discovery made by Swedish scientist Svante Paabo, winner of the 2022 Nobel Prize in Physiology or Medicine, during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              Swedish scientist Svante Paabo smiles at the award ceremony at the Hamburg Kerber Foundation's European Science Prize, in Hamburg, Germany, Sept. 7, 2018. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Christian Charisius/dpa via AP)
            
              This photo provide by the Max-Planck-Gesellschaft shows Swedish scientist Svante Paabo in Leipzig, Germany, April 27, 2010. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Frank Vinken for Max-Planck-Gesellschaft via AP)
            
              Thomas Perlmann, member of the Nobel Committee for Physiology or Medicine, announces the winner of the 2022 Nobel Prize in Physiology or Medicine to Swedish scientist Svante Paabo, pictured on the screen, during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              Swedish scientist Svante Paabo smiles in Leipzig, Germany, on Nov. 23, 2012. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Chair of the Nobel Committee for Physiology or Medicine Anna Wedell, left, presents the discovery made by Swedish scientist Svante Paabo, winner of the 2022 Nobel Prize in Physiology or Medicine, during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              Swedish scientist Svante Paabo smiles at the award ceremony at the Hamburg Kerber Foundation's European Science Prize, in Hamburg, Germany, Sept. 7, 2018. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Christian Charisius/dpa via AP)
            
              This photo provide by the Max-Planck-Gesellschaft shows Swedish scientist Svante Paabo in Leipzig, Germany, April 27, 2010. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Frank Vinken for Max-Planck-Gesellschaft via AP)
            
              Thomas Perlmann, member of the Nobel Committee for Physiology or Medicine, announces the winner of the 2022 Nobel Prize in Physiology or Medicine to Swedish scientist Svante Paabo, pictured on the screen, during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              Swedish scientist Svante Paabo smiles in Leipzig, Germany, on Nov. 23, 2012. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Chair of the Nobel Committee for Physiology or Medicine Anna Wedell, left, presents the discovery made by Swedish scientist Svante Paabo, winner of the 2022 Nobel Prize in Physiology or Medicine, during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              Swedish scientist Svante Paabo smiles at the award ceremony at the Hamburg Kerber Foundation's European Science Prize, in Hamburg, Germany, Sept. 7, 2018. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Christian Charisius/dpa via AP)
            
              This photo provide by the Max-Planck-Gesellschaft shows Swedish scientist Svante Paabo in Leipzig, Germany, April 27, 2010. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Frank Vinken for Max-Planck-Gesellschaft via AP)
            
              Thomas Perlmann, member of the Nobel Committee for Physiology or Medicine, announces the winner of the 2022 Nobel Prize in Physiology or Medicine to Swedish scientist Svante Paabo, pictured on the screen, during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              Swedish scientist Svante Paabo smiles in Leipzig, Germany, on Nov. 23, 2012. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Swedish scientist Svante Paabo smiles at the award ceremony at the Hamburg Kerber Foundation's European Science Prize, in Hamburg, Germany, Sept. 7, 2018. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Christian Charisius/dpa via AP)
            
              This photo provide by the Max-Planck-Gesellschaft shows Swedish scientist Svante Paabo in Leipzig, Germany, April 27, 2010. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Frank Vinken for Max-Planck-Gesellschaft via AP)
            
              Thomas Perlmann, member of the Nobel Committee for Physiology or Medicine, announces the winner of the 2022 Nobel Prize in Physiology or Medicine to Swedish scientist Svante Paabo, pictured on the screen, during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              Swedish scientist Svante Paabo smiles in Leipzig, Germany, on Nov. 23, 2012. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Chair of the Nobel Committee for Physiology or Medicine Anna Wedell, left, presents the discovery made by Swedish scientist Svante Paabo, winner of the 2022 Nobel Prize in Physiology or Medicine, during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              Swedish scientist Svante Paabo smiles at the award ceremony at the Hamburg Kerber Foundation's European Science Prize, in Hamburg, Germany, Sept. 7, 2018. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Christian Charisius/dpa via AP)
            
              This photo provide by the Max-Planck-Gesellschaft shows Swedish scientist Svante Paabo in Leipzig, Germany, April 27, 2010. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Frank Vinken for Max-Planck-Gesellschaft via AP)
            
              Thomas Perlmann, member of the Nobel Committee for Physiology or Medicine, announces the winner of the 2022 Nobel Prize in Physiology or Medicine to Swedish scientist Svante Paabo, pictured on the screen, during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              Swedish scientist Svante Paabo smiles in Leipzig, Germany, on Nov. 23, 2012. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Chair of the Nobel Committee for Physiology or Medicine Anna Wedell, left, presents the discovery made by Swedish scientist Svante Paabo, winner of the 2022 Nobel Prize in Physiology or Medicine, during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              Swedish scientist Svante Paabo smiles at the award ceremony at the Hamburg Kerber Foundation's European Science Prize, in Hamburg, Germany, Sept. 7, 2018. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Christian Charisius/dpa via AP)
            
              This photo provide by the Max-Planck-Gesellschaft shows Swedish scientist Svante Paabo in Leipzig, Germany, April 27, 2010. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Frank Vinken for Max-Planck-Gesellschaft via AP)
            
              Thomas Perlmann, member of the Nobel Committee for Physiology or Medicine, announces the winner of the 2022 Nobel Prize in Physiology or Medicine to Swedish scientist Svante Paabo, pictured on the screen, during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              Swedish scientist Svante Paabo smiles in Leipzig, Germany, on Nov. 23, 2012. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Hendrik Schmidt/dpa via AP)
            
              Chair of the Nobel Committee for Physiology or Medicine Anna Wedell, left, presents the discovery made by Swedish scientist Svante Paabo, winner of the 2022 Nobel Prize in Physiology or Medicine, during a press conference at the Karolinska Institute in Stockholm, Sweden, on Monday, Oct. 3, 2022. (Henrik Montgomery/TT News Agency via AP)
            
              Swedish scientist Svante Paabo smiles at the award ceremony at the Hamburg Kerber Foundation's European Science Prize, in Hamburg, Germany, Sept. 7, 2018. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Christian Charisius/dpa via AP)
            
              This photo provide by the Max-Planck-Gesellschaft shows Swedish scientist Svante Paabo in Leipzig, Germany, April 27, 2010. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Frank Vinken for Max-Planck-Gesellschaft via AP)
            
              Swedish scientist Svante Paabo smiles at the award ceremony at the Hamburg Kerber Foundation's European Science Prize, in Hamburg, Germany, Sept. 7, 2018. On Monday, Oct. 3, 2022 the Nobel Prize in physiology or medicine was awarded to Swedish scientist Svante Paabo for his discoveries on human evolution. (Christian Charisius/dpa via AP)
            
              FILE- A national library employee shows a gold Nobel Prize medal in Bogota, Colombia Friday, April 17, 2015. (AP Photo/Fernando Vergara, file)
            
              FILE - A Tuesday, Dec. 8, 2020 file photo of a Nobel medal displayed during a ceremony in New York. (Angela Weiss/Pool Photo via AP, File)
            
              FILE - The Nobel diploma and medal in physiology or medicine is displayed, Tuesday, Dec. 8, 2020, during a ceremony in New York. (Angela Weiss/Pool Photo via AP, File)
Nobel panel to announce winner of medicine prize