gedaliyah@lemmy.world to Today I Learned@lemmy.worldEnglish · 5 months agoTIL humans are the only animal with a chin. We aren't sure why.www.smithsonianmag.comexternal-linkmessage-square157fedilinkarrow-up1494arrow-down114
arrow-up1480arrow-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 · 5 months agomessage-square157fedilink
Oh. Not a clue.