Bone artifacts discovered in Tanzania push back the earliest known date of bone tool technology by over a million years. In Olduvai Gorge, archaeologists have discovered a range of bone tools thought ...

Deep in a trench in Tanzania, researchers found dozens of tools crafted from animal bones some 1.5 million years old. By Carl Zimmer Humans, unlike most other species, have a knack for making tools.

A 1.5-million-year-old cache of animal-bone tools reveals that ancient humans systematically crafted with this material much earlier than previously thought. Researchers uncovered 27 bone ...

The findings come from a study of bone tools discovered at Olduvai Gorge in Tanzania and dated to around 1.5 million years ago. The discovery joins other finds — such as a 1.4-million-year-old ...

The oldest collection of mass-produced prehistoric bone tools reveal that human ancestors were likely capable of more advanced abstract reasoning one million years earlier than thought ...

Tools made from elephant bones range from 8.6 to 15 inches (22 to 38 centimeters) long, while the hippo bone tools are slightly shorter at 7 to 11.8 inches (18 to 30 cm) long.