New research sheds on two anatomical developments that changed human history - the thumb and the pelvis
In the distant past, early human species did not stand out compared to their ape relatives. The change in pelvic structure and the lengthening of the thumb changed the rules of the game and gave humans advantages that paved the way for them to become undisputed rulers.
Source: Haaretz
Author: Gideon Lev
Link: Full Text