Anthropologists have long assumed that the short stature of australopithecines like Lucy was related to treetop living: Having short legs makes it easier to climb trees and gives stability when balancing on branches. (discovermagazine.com)
In 1938, he found the first robust australopithecine skull at Kromdraai after a schoolboy discovered some teeth at the site. (talkorigins.org)
They also present evidence for similar differences between the sexes in Australopithecines (early relatives of humans), suggesting that women long ago evolved such scaffolding to compensate for walking upright while supporting their swelling wombs. (scientificamerican.com)