@gedaliyah to Today I LearnedEnglish • 5 months agoTIL humans are the only animal with a chin. We aren't sure why.www.smithsonianmag.comexternal-linkmessage-square156arrow-up1494arrow-down114cross-posted to: [email protected]
arrow-up1480arrow-down1external-linkTIL humans are the only animal with a chin. We aren't sure why.www.smithsonianmag.com@gedaliyah to Today I LearnedEnglish • 5 months agomessage-square156cross-posted to: [email protected]
minus-square@[email protected]linkfedilinkEnglish31•5 months 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.