If we still had a thick coat of hair, like our distant ancestors, something that spooked us would cause our hair to stand on end, which would make us look a little bigger and more intimidating. Look closely at the hair on your arm the next time you get that chill.
If we still had a thick coat of hair, like our distant ancestors, something that spooked us would cause our hair to stand on end, which would make us look a little bigger and more intimidating. Look closely at the hair on your arm the next time you get that chill.