See More Hear More Watch More Hear More Get on iTunes
Brain Stuff BrainStuffHSW

Every Human Had a Tail in The Womb

Episode: Why Don't Humans Have Tails? Whether they’re swatting away horseflies or helping a monkey swing through the forest, tails are a pretty amazing adaptation. So why don’t humans have them? http://goo.gl/lZo5w0

UP NEXT

More from