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What's your superpower?
(lemmy.blahaj.zone)
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The what?
Check out the Function->Voluntary Control section here: https://en.m.wikipedia.org/wiki/Tensor_tympani_muscle
Next time you yawn, listen for a low rumbling sound. Some people can do that voluntarily. Apparently 55% of the general population, but many people think you could train almost anyone to do it with some practice.