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We are the only animal on Earth with a chin—and scientists have no clue why we have one
The human chin is one of evolution’s strangest quirks. Unlike other primates, we alone have a protruding bony point beneath the lower lip, and scientists still debate its purpose. Some argue it’s a ...
Resting nicely below the lower lip and the mentolabeal crease is one physical attribute that makes humans stand out as compared to other primates, and that is our chin, otherwise known as the “mental ...
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