TIL humans are the only animal with a chin. We aren't sure why.
TIL humans are the only animal with a chin. We aren't sure why.
www.smithsonianmag.com A Chin-Stroking Mystery: Why Are Humans the Only Animals With Chins?
It's an evolutionary conundrum, and scientists are still divided over the answer
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156 comments
Have you seen humans without chins? That's why
92 0 Reply118 2 ReplyObviously its because of the lighting
4 0 Reply
My grandma said I was the most handsome boy... Are you calling my dead grandmother a liar?!
11 0 ReplyYep
8 0 Reply
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