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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Useful in fighting as it helps protect the lower jaw and teeth?
But then again, it could simply be a trait we have developed over the millennia, and there is no deeper meaning to it.
I think this is plausible, also the fact that when you lean your head a little bit forward you expose the front of the skull which is the thickest part while the chin prevents people from punching your neck.
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