Come on down

时间:2019-03-07 13:15:00166网络整理admin

A FOSSIL ape from Kenya may have been the first of our ancestors to come down from the trees just over 15 million years ago. Most early ape fossils are just teeth and jaw bones, but the newly described ape, called Equatorius, also includes an arm, shoulder, wrists, fingers, collarbone and vertebrae. These show that the animals, which were about the size of a large baboon, must have spent some time on the ground, says Steve Ward of the Northeastern Ohio Universities College of Medicine in Rootstown (Science, vol 285,