Three Big Mysteries of Human Evolution We Still Don’t Understand
We know when and how humans evolved, for the most part, but these questions remain. Although a lot is known about the history of human beings and our ape-like origins, many evolutionary questions remain a mystery. We still aren't really sure why we walk on two legs, why we don't have fur, and where …
Rhonda Thibeau flipped this story into Life Sciences•2973d