An international team of paleontologists in 2003 discovered the oldest stone tools ever found.
It is traced to be the earliest stone tool technology in the archaeological record, known as the Oldowan.
An additional 130 pieces have also been found on the surface, according to the talk.
These direct marks appeared to be intentional, and not just coincidental scratches.
Harmands discovery gives us the smoking gun.
source: www.techworm.net
