A muscle that 'perks' the ear could hold clues to make better hearing aids

By Nell Greenfieldboyce

Published January 31, 2025 at 3:32 PM CST

Vestigial human ear muscles react to sounds even if the external ear does not move. This could be used to build better earing aids.

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Science and Technology

Nell Greenfieldboyce

Nell Greenfieldboyce is a NPR science correspondent.

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