This 1.4-million-year-old hand ax adds to Homo erectus’ known toolkit
East African find shows ancient hominids crafted a range of simple and more complex tools
A 1.4-million-year-old bone hand ax found in East Africa (shown from both sides) expands the known toolmaking repertoire of Homo erectus, scientists say. Hardened sediment attached to the artifact is lighter colored than the tool.
Berhane Asfaw