The first knives used were created by simply fracturing rock- a new fracture being sharper then the original weather worn edge. Any broken rock can be used as a knife but some rocks were favored over others. 173 more words
Tags » Stone Tools
The cows are grazing our bit of the hill again so we are back inside our electric fence. I rigged this yesterday, stretching the wires around everyone as they got on with proper work and maintained a dignified silence in the face of my shocking Colditz commandant impersonations. 397 more words
Is there sufficient evidence to move the accepted date for the first use of stone cutting tools by hominins back by 800,000 years?
“The oldest direct evidence of stone tool manufacture comes from Gona (Ethiopia) and dates to between 2.6 and 2.5 million years (Myr) ago.” Bones at the Bouri site show cut marks made by stone tools around 2.5 Myr ago (McPherron et al. 525 more words