(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Briana Pobiner, Smithsonian Institution; Sabrina Curran, Ohio University, and ...

Other scientists have reported sites in Eurasia and northern Africa with either hominin fossils, stone tools or butchered animal bones from around this time. Our recently published research adds ...

(THE CONVERSATION) Looking again through the magnifying lens at the fossil’s surface, one of us, Sabrina Curran, took a deep breath. Illuminated by a strong light positioned nearly parallel to ...

Illuminated by a strong light positioned nearly parallel to the surface of the bone, the V-shaped lines were clearly there on the fossil. There was no mistaking what they meant. She’d seen them before ...