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evolution

Genes Tell Story of Birdsong and Human Speech

His office is filled with all sorts of bird books, but Duke neuroscientist Erich Jarvis didn’t become an expert on the avian family tree because of any particular interest in…

Why Do Chimps Kill Each Other?

War—what is it good for? “Absolutely nothing” according to the refrain of a 1970 hit song. Many humans would agree with this sentiment. But a major new study of warfare…