Humans actually have vestigial muscles that activate when listening closely to something, even though people lost the ability ...

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

A muscle that scientists previously thought was useless activates when we're listening really hard to something, according to ...

Vestigial ear muscles activate during focused listening, revealing a hidden link to our auditory past and evolution.