Just learned that we’re the only animals with chins, and am reeling. REELING. https://www.theatlantic.com/science/archive/2016/01/were-the-only-animals-with-chins-and-no-one-knows-why/431625/
We're the Only Animals With Chins, and No One Knows Why

Despite much chin-stroking.

The Atlantic
@samuel_wade what’s on this guys face then
@pixel It's not a proper chin, there's no protruding bone underneath: https://www.google.com/search?q=orangutan+skull&tbs=imgo:1&udm=2
orangutan skull - Google Suche

@samuel_wade technicalities