«Conventional wisdom in human evolutionary studies since has supposed that the origins of knapping stone tools was linked to the emergence of the genus Homo, and this technological development was tied to climate change and the spread of savannah grasslands,» says Dr. Lewis, a Research Assistant Professor at TBI. (sciencedaily.com)
He and a colleague knapped flint reproductions of spear and arrow points from the Middle Stone Age in Africa and attached them to wooden shafts. (sciencemag.org)
One line of thinking is that hominins started knapping — banging one rock against another to make sharp - edged stones — so they could cut meat off of animal carcasses, said paper co-author Jason Lewis of the Turkana Basin Institute and Rutgers. (sciencedaily.com)