The Italian Renaissance artist created groundbreaking depictions of humans at a time when the inner workings of the body ...
Do your ears hang low, do they wiggle to and fro? In the latter case, that’s thanks to a so-called “neural fossil”.
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.
A muscle that we thought served no purpose beyond enabling some people to wiggle their ears is actually active when we are ...
“The exact reason these became vestigial is difficult to tell, as our ancestors lost this ability about 25 million years ago, ...