In Olduvai Gorge, archaeologists have discovered a range of bone tools thought to have been made and used by an ancestral human species of hominid called Homo habilis 1.5 million years ago.

The newly discovered bone tools ... stone tool inventory. Prior to the new discovery, the earliest known datable bone tools were recovered from sites associated with Homo erectus, hundreds ...

The well-preserved bone tools, measuring up to around 16 inches (40 centimeters), were likely made by breaking off the thick ends of leg bones and using a stone to knock off ... have been made and ...

It has documented the evolution from the simple chopping tools and stone knives of the Oldowan ... successor to the smaller-brained Homo habilis, left a lasting imprint on history.

Ancient artifacts such as stone tools and fossils ... The Out of Africa model posits that all living humans (Homo sapiens sapiens) descend from a population that first appeared in Africa and ...

But how did the production of stone tools -- called 'knapping' -- start? Researchers have proposed a new hypothesis for the origin of stone technology in human evolution. Sharp stone technology ...