Help make Alexa smarter on Alexa Answers. Sign in with Amazon

Science

Why do we have chins?


New research led by Holton and colleagues at the UI posits that our chins don’t come from mechanical forces such as chewing, but instead results from an evolutionary adaptation involving face size and shape—possibly linked to changes in hormone levels as we became more societally domesticated.

{{ relativeTimeResolver(1642635958793) }}

LIVE
points 5
Rating

Similar questions

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world

LEARN MORE