Researchers have observed wild-bearded capuchin monkeys in Brazil deliberately break stones, unintentionally creating flakes that share many of the characteristics of those produced by early Stone Age ...

The authors observed capucins deliberately damaging stones by using a hand-held quartzite cobble stone to violently hammer other quartzite cobbles embedded in a large stone conglomerate structure (Fig ...

University of Wollongong researchers have experimentally confirmed that changes in hammer strike angle significantly affect the fracture path and form of stone flakes produced by Neanderthals during ...

Toolmaking may not have been such a unique feat for our immediate ancestors after all – even modern monkeys have now been found to create stone tools. The surprising finding casts doubt on the ...