Topic: Carol Ward
Australopithecus afarensis, an ancient human ancestor who lived around 3 million years ago, spent most of its time walking, instead of climbing trees like chimps.
02/11/2011 04:28 pm
'Ardi', a 4.4 million year old hominid in Ethiopia, is less ape-like than scientists expected. That could mean long-accepted models of the common ancestor between humans and apes are wrong.
10/01/2009 01:00 am