New Scientist on MSN20h
'Obsolete' muscle that wiggles ears actually activates while listening
A muscle that we thought served no purpose beyond enabling some people to wiggle their ears is actually active when we are ...
Humans Lost the Ability to Swivel Their Ears—But These Vestigial Muscles Still Twitch
Evolution has largely deprived us of our ability to swivel our ears, but those vestigial muscles still activate when we ...
Live Science on MSN10h
'Vestigial' human ear-wiggling muscle actually flexes when we're straining to hear
A mechanism that activates specific muscles in our ears is a leftover from our evolutionary past, back when our ancestors depended more on their hearing for survival.