Camera trap footage of a white-faced capuchin monkey from Isla Jicarón, Coiba National Park, Panama. Some groups of capuchins in the park have begun using stone tools, which may give insight into how ...

When monkeys in Thailand use stones as hammers and anvils to help them crack open nuts, they often accidentally create sharp flakes of rock that look like the stone cutting tools made by early humans.

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Monkeys in modern-day Thai forests create ...

Macaques use stones as hammers to smash open food items like shellfish and nuts. (Lydia V. Luncz) When monkeys in Thailand use stones as hammers and anvils to help them crack open nuts, they often ...

(The Hill) – Monkeys in modern-day Thai forests create stone artifacts uncannily similar to those crafted by early humans — challenging the established narrative of human cultural evolution. A new ...

Monkeys using stones to crack open nuts generate many stone flakes accidentally that look exactly like the ones archaeologists have long thought... Stone flakes made by modern monkeys trigger big ...