gedaliyah@lemmy.world to Today I Learned@lemmy.worldEnglish · 4 days agoTIL humans are the only animal with a chin. We aren't sure why.www.smithsonianmag.comexternal-linkmessage-square159fedilinkarrow-up1489arrow-down114cross-posted to: til@lemmy.ca
arrow-up1475arrow-down1external-linkTIL humans are the only animal with a chin. We aren't sure why.www.smithsonianmag.comgedaliyah@lemmy.world to Today I Learned@lemmy.worldEnglish · 4 days agomessage-square159fedilinkcross-posted to: til@lemmy.ca
minus-squareFiniteBanjo@lemmy.todaylinkfedilinkEnglisharrow-up36arrow-down3·4 days agoI figure walking upright made being hit from below more common, necessitating thicker bones to protect the very sensitive nerves of the jaw.
I figure walking upright made being hit from below more common, necessitating thicker bones to protect the very sensitive nerves of the jaw.