The Oldowan and the Acheulean — currently the two oldest, well-documented stone tool technologies known to archaeologists — are roughly 30,000 to 60,000 years older than current evidence suggests, according to a new modeling study. Archaic hominins. Image credit: Ninara / CC BY 2.0. Early stone tool technologies, such as the Oldowan and Acheulean, allowed early human ancestors to access new food types. They also increased the ease of producing...
