Sunday, March 05, 2006

Chimps Display a Hallmark of Human Behavior: Cooperation - New York Times

"One of the hallmarks of being human is cooperation. No other primate exhibits the same kind of helpfulness to others. Humans have made even violence a highly cooperative effort, and scientists have wondered how far back in evolution this trait goes.
New studies on chimpanzees suggest that this part of human nature may have already existed millions of years ago, perhaps before the human and ape lineages divided."

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