The human Stone Age was, undeniably ... By directly experimenting on various raw materials from percussive tools from Melka Wakena, a 1.6-to-0.7-million-year-old archeological site in the ...

For European and American Stone Age peoples, end scrapers served as heavy ... an end scraper could take the hair off the skin's outer layer and remove the fatty tissue from its underside.

In addition, once cumulative culture is firmly in place within a population (see Middle Stone Age/Middle Paleolithic below), technologies will begin to reflect population-level differences as a ...