The study builds on the team's previous work demonstrating that primates such as bearded capuchins and long-tailed macaques unintentionally create sharp flakes through stone percussion. By analyzing ...

Examples of an Oldowan percussive tool, core and flakes from the Nyayanga site. (Top row) Percussive tool found in 2016. (Second row from top) Oldowan core found in 2017. (Bottom rows) Oldowan flakes ...

Researchers at the Max Planck Institute for Evolutionary Anthropology have recently found that chimpanzees use a variety of stone tools, depending on what kind of nut they want to crack. Image credit: ...

The first tools made by our early Stone Age ancestors were simple, but monumental. Hammerstones, handaxes, and sharpened flakes were their implements of choice — all carved from rock and used for ...