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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Of course we know why. So that evolution could result in the universe's most perfect being.
64 0 ReplyGroovy
14 0 ReplyOf course we know why. So that evolution could result in the universe's most perfect
beingpatchwork.5 0 Reply4 0 ReplyIf Chins Could Kill
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