1.4-Million-Year-Old Ax Made of Hippo Bone Found in Ethiopia | Smart News | Smithsonian Magazinehttps://www.smithsonianmag.com/smart-news/14-million-year-old-hippo-bone-hand-axe-found-ethiopia-180975314/
Homo erectus study reveals 4 new facts about this ancient humanhttps://www.inverse.com/science/homo-erectus-lifestyle-discovery-skull-tools
Homo erectus, not humans, may have invented the barbed bone point | Science Newshttps://www.sciencenews.org/article/homo-erectus-not-humans-invented-barbed-bone-point-tool
This 1.4-million-year-old hand ax adds to Homo erectus’ known toolkit | Science Newshttps://www.sciencenews.org/article/homo-erectus-hand-ax-stone-age-tools
We probably don’t descend from Australopithecus sediba | Ars Technicahttps://arstechnica.com/science/2019/05/probability-helps-narrow-down-the-search-for-human-ancestors/