Excavations in Brazil have pounded out new insights into the handiness of ancient monkeys. South American capuchin monkeys have not only hammered and dug with carefully chosen stones for the last ...
Breaking into a cashew nut can be difficult; but not if you're a monkey. Primates in Brazil are well honed in using stones to break into the nuts and new research suggests they have been doing so for ...
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.