Live Science reports that bones from one of the smallest human ancestors, who lived two million years ago, were retrieved ...

The excavation of bone tools at Olduvai Gorge in Tanzania expands the range of ancient hominids’ cultural innovations.

At Olduvai, a Spanish-led team of researchers found 27 tools made out of the leg ... these bones have not been properly identified in other archaeological sites," d'Errico said. As the human ...

The uniform selection of the bones – large and heavy leg bones from specific animals ... At the time the tools were made, three different species of human ancestors lived in the same region ...