Paleoanthropologists working at the Konso research area in Ethiopia have found a 1.4-million-year-old large bone fragment shaped into handaxe-like form. The 1.4-million-year-old bone handaxe recovered from the Konso research area in Ethiopia. Image credit: Sano et al, doi: 10.1073/pnas.2006370117. The newly-discovered handaxe is a bifacially flaked fragment of a hippopotamus femur (thigh bone). The superbly-preserved tool, which measures 12.8 by 7.5...
