▲ 477 ▼ TIL humans are the only animal with a chin. We aren't sure why. (www.smithsonianmag.com) submitted 2 years ago by gedaliyah@lemmy.world to c/til@lemmy.world 150 comments fedilink hide all child comments
[–] CoggyMcFee@lemmy.world 7 points 2 years ago Because they’re sexy. We’ve been over this. permalink fedilink source parent