Evolution has largely deprived us of our ability to swivel our ears, but those vestigial muscles still activate when we ...

You won’t notice it, but when you listen hard enough, your ears — or at least the muscles around them — spring into action.

Common non-medical causes of eye and other muscle twitches can include tiredness, caffeine, booze, and stress. Health information site Healthline adds that you should also take an inability to control ...