Why Do Humans Have Chins? A Scientist Explains The ‘Enduring Puzzle’ | WBEZ
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Why Do Humans Have Chins? A Scientist Explains The 'Enduring Puzzle'

James Pampush devoted five years and his Ph.D. dissertation to one question: Why do homo sapiens have chins, when all of our evolutionary relatives don't? He tells NPR's Robert Siegel about "the enduring puzzle of the human chin."

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