Chimpanzees organize complex tool-use sequences like humans, revealing deep evolutionary origins
The study focused on one of the most complex actions performed by primates: nut cracking using stone tools.
Common Chimpanzee uses spherical tool in the lab.(photo credit: Cornelia Schrauf, Josep Call,Koki Fuwa and Satoshi Hirata is licensed under CC BY-SA 2.5. Via Wikime)
