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Chew On This: Slicing Meat Helped Shape Modern Humans

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Farming helped fuel the rise of civilizations, but it may also have given us less robust bones. Leemage/UIG via Getty Images hide caption

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When Humans Quit Hunting And Gathering, Their Bones Got Wimpy

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Our popular image of Homo erectus as the proto-guy who whose human-like traits all emerged at once needs overhauling, some anthropologists say. Sylvain Entressangle/Science Source hide caption

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Dance Of Human Evolution Was Herky-Jerky, Fossils Suggest

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A mother and daughter herd their yaks along a highway on the Tibetan plateau. Frederic J. Brown/AFP/Getty Images hide caption

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With Help From Extinct Humans, Tibetans Adapted To High Altitude

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Language may have evolved in concert with tool making. Sergey Lavrentev/iStockphoto.com hide caption

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Bonobos share a piece of fruit at the Lola ya Bonobo sanctuary in the Democratic Republic of Congo. Jingzhi Tan/Duke University hide caption

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How Did Our Brains Evolve To Equate Food With Love?

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