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Your ears can't prick up, but your ear muscles sure try
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.
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.
(Image credit: ChristopherBernard/Getty Images)
