The development of tool technology is considered a pivotal step in human evolution. Deliberately shaped stones are thought to have emerged in cultures more ancient than our own genus Homo to strip ...

Even older artifacts recovered at Olduvai Gorge come from a bone tool kit, the scientists say. Implements of varying sizes and shapes were identified as pieces of leg bones, mostly from elephants ...

The study is one of the few so far to combine use-wear, archaeozoology and paleoproteomics in archaeological material and the first to do so in bone artifacts from the ancient Neolithic.