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 ...

Archaeologists have long believed that humans didn’t start crafting tools from bone until between 250,000 and 500,000 years ago. However, a 2018 excavation in Tanzania’s Olduvai Gorge turned ...

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 ...

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.