Live Science on MSN2h
'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.
New Scientist on MSN12h
'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 ...