Bipedal humans came down from the trees, not up from the ground
Monday, August 10, 2009 - 14:49
in Paleontology & Archaeology
DURHAM, N.C. -- A detailed examination of the wrist bones of several primate species challenges the notion that humans evolved their two-legged upright walking style from a knuckle-walking ancestor. The same lines of evidence also suggest that knuckle-walking evolved at least two different times, making gorillas distinct from chimpanzees and bonobos.