She’d seen them before, on bones that were butchered with stone tools about 1.8 million years ago, from a site called Dmanisi in Georgia. These were cut marks made by a human ancestor wielding a ...

SAN DIEGO — Mild to moderate preoperative patellar tendinopathy may not significantly affect postoperative outcomes of ACL reconstructions with a bone-patellar tendon-bone autograft ...

Archaeologists have uncovered a collection of bone tools in northern Tanzania that were shaped by ancient human ancestors 1.5 million years ago, making them the oldest known bone tools by about 1 ...

Ancient human relatives crafted sharp-edged tools out of animal bones around 1.5 million years ago, researchers say. Discoveries at Tanzania’s Olduvai Gorge, a famous East African fossil ...