Chimps that mash potatoes challenge our understanding of tool use

Chimps have figured out how to use sticks to mash potatoes. The finding could prompt a rethink of the role of culture in our hominin ancestors’ use of tools

Source:
https://www.newscientist.com/article/2204102-chimps-that-mash-potatoes-challenge-our-understanding-of-tool-use/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home