The human chin is uniquely human, and the assumption has always been that it must have evolved for a specific purpose, perhaps to strengthen the jaw during chewing or speech. After all, chimpanzees ...
Add Yahoo as a preferred source to see more of our stories on Google. Studies of ancient skulls show wider jaws and fewer malocclusions, leading researchers to explore how diet and lifestyle shaped ...
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We’re the only animal with a chin and scientists still don’t know why
Humans are the only creatures on Earth whose lower jaw ends in a distinct bony knob, a true chin that juts forward from the rest of the mandible. Fossils show that even our closest extinct relatives, ...
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