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A “useless” muscle that allows some people to wiggle their ears actually activates when we strain to hear something. Our ape ancestors lost the ability to pivot their ears when they diverged ...

That's according to a new study which found that a certain vestigial ear muscle — one that perks up ears in animals — actually shows electrical activity when people engage in a difficult ...

They're concentrating. GREENFIELDBOYCE: So what about humans? People have some vestigial muscles around the ear. They never get used, except by those people who are able to deliberately wiggle ...

If you hear something interesting, you might prick up your ears. That's a figurative expression, of course. People's ears don't actually move upward. But NPR's Nell Greenfieldboyce found that this old ...