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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 ...
Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. This voice experience is generated by AI. Learn more. This ...
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