Bok
04-16-2012, 04:20 PM
Fossils from two human ancestors suggest diversity in gait, stance
More... (http://www.sciencenews.org/view/generic/id/339950/title/Ancient_walking_gets_weirder)
More... (http://www.sciencenews.org/view/generic/id/339950/title/Ancient_walking_gets_weirder)