Add Yahoo as a preferred source to see more of our stories on Google. In an exciting first that highlights a mysterious aspect of human technological evolution, chimpanzees impressively engineer tools ...
Jane Goodall, the world's foremost expert on chimpanzees, has died at the age of 91, the Jane Goodall Institute (JGI) confirmed in a statement on Wednesday (Oct. 1). Goodall died of natural causes in ...
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