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Stanford scientists have found that viral infections shaped human genome evolution after interbreeding with Neanderthals 50,000 years ago.

Stanford scientists have found that viral infections shaped human genome evolution after interbreeding with Neanderthals 50,000 years ago.

In a new book, Paul Ehrlich lays out the claim that modern life has been harmful to smaller jaws, which he says leads to problems ranging from heart disease to sleep apnea.

In a new book, Paul Ehrlich lays out the claim that modern life has been harmful to smaller jaws, which he says leads to problems ranging from heart disease to sleep apnea.

When we think of what makes us human, it's common to think of something like language or tool-making. Something that likely doesn't pop into mind is the chin - …

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