Bok
09-01-2011, 08:20 PM
African discoveries offer glimpse of early tool-making complexity
More... (http://www.sciencenews.org/view/generic/id/333937/title/Oldest_hand_axes_found)
More... (http://www.sciencenews.org/view/generic/id/333937/title/Oldest_hand_axes_found)