The auricular muscles, which enabled our distant ancestors to move their ears for better hearing, activate when people try to ...

They explained that the muscles helped change the shape of the pinna, or the shell of the ear, funneling sound to the eardrums. Millions of years ago, our ancestors stopped using them, so humans’ ...

You won’t notice it, but when you listen hard enough, your ears — or at least the muscles around them — spring into action. Though (most) humans lost the ability to wiggle their ears millions of years ...