Humans actually have vestigial muscles that activate when listening closely to something, even though people lost the ability to really move their ears about 25 million years ago.
hearing aids
Posted inNPR
FDA approves some Apple AirPods to be used as hearing aids
An upcoming Apple software update will allow some AirPods to double as over-the-counter hearing aids. Only 1 in 6 American adults with hearing loss wears hearing aids.


