How We Won the Hominid Wars, and All the Others Died Out

The unique adaptability of Homo sapiens 
is what allowed us to survive when so many other species 
died out, paleoanthropologist Rick Potts contends

By Jill Neimark
Feb 23, 2012 12:00 AMOct 9, 2019 8:21 PM
potts
photography by Stephen Voss

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How did our species come to rule the planet? Rick Potts argues that environmental instability and disruption were decisive factors in the success of Homo sapiens: Alone among our primate tribe, we were able to cope with constant change and turn it to our advantage. Potts is director of the Smithsonian Institution’s Human Origins Program, curator of anthropology at the National Museum of Natural History in Washington, D.C., and curator of the David H. Koch Hall of Human Origins, which opened at that museum last year. He also leads excavations in the East African Rift Valley and codirects projects in China that compare early human behavior and environments in eastern Africa with those in eastern Asia. Here Potts explains the reasoning behind his controversial idea.

Why did our close relatives—from Neanderthals to their 
recently discovered cousins, the Denisovans, to the hobbit people of Indonesia—die out while we became a global success?


That is the million-dollar question. My view is that great variability in our ancestral environment was the big challenge of human evolution. The key was the ability to respond to those changes. We are probably the most adaptable mammal that has ever evolved on earth. Just look at all the places we can live and the way we seek out novel places to explore, such as space.

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