A new study in @ScienceAdvances finds stone flakes made by nut-cracking macaques…

A new study in @ScienceAdvances finds stone flakes made by nut-cracking macaques resemble those described as being made intentionally by early hominins—challenging some assumptions in #paleoanthropology. https://t.co/NeSRcx0LQ6 https://t.co/eMGc9v9KzP

This was tweeted by Science Magazine.