Early stone tools (Introduction)
by David Turell 
, Wednesday, August 31, 2011, 19:10 (4811 days ago)
About 1.7 mya in West Turkana, Kenya-http://www.nature.com/nature/journal/v477/n7362/full/nature10372.html?WT.ec_id=MARKETING
by David Turell , Wednesday, August 31, 2011, 19:10 (4811 days ago)
About 1.7 mya in West Turkana, Kenya-http://www.nature.com/nature/journal/v477/n7362/full/nature10372.html?WT.ec_id=MARKETING