Add Yahoo as a preferred source to see more of our stories on Google. Stone tools are deliberately made by the hands of hominins, like these worked on by the author. John K. Murray Have you ever found ...

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 ...

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 ...

Have you ever found yourself in a museum's gallery of human origins, staring at a glass case full of rocks labeled "stone tools," muttering under your breath, "How do they know it's not just any old ...