Richard Wrangham's Catching Fire

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Richard W. Wrangham is a Professor of Biological Anthropology at Harvard University. He had a long term study in Kanyawara chimpanzees and he was well known for his work in the ecology of primate social system. The book Catching Fire refers to the activities of our human ancestors when they began to use fire to practice cooked diet. Although the topic is pretty academic, but Richard used simple sentences and words to explain his ideas well. Yet the proof is still preciseness with provided evidences, and the conclusion is convincible. Hence, this source should be trustable. About 2,300,000 years ago, there existed a kind of primate began to use tool. They lived together, and they knew how to corporate with each others to hunt foods with the
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