The Oldowan represents the first instances of technological innovation in human history, wherein our ancestors first began to enhance their biological abilities with the manufacture of stone tools. This speaks to an important milestone in the evolution of

The Pre-Oldowan is a term given to tools older than 2 million years at sites like Gona, Ethiopia and West Turkana, Kenya, which seem to exhibit less skill than we expect from the traditional Oldowan (Schick and Toth, 2006). It's true that these sites seem to exhibit fewer instances of retouching, which becomes more prevalent after 2 myr at Olduvai and East Turkana (Schick and Toth, 2006). Recent studies have shown, however, that even among