The researchers suggested that only after using naturally sharp stones for cutting did ancient humans faced selective ...

A cache of 1.5 million-year-old bone tools uncovered in Tanzania suggest ancient human ancestors were capable of critical ...

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

WASHINGTON (AP) — Early humans were regularly using animal bones to make cutting tools 1.5 million years ago. A newly discovered cache of 27 carved and sharpened bones from elephants and hippos found ...

Early humans used animal bones to craft tools — more than a million years earlier than scientists previously thought ...

In this photo provided by the Spanish National Research Council (CSIC), researcher Ignacio de la Torre holds a bone tool found in Tanzania's Olduvai Gorge, at the CSIC-Pleistocene Archaeology Lab ...