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Koobi Fora

View of the hominin tibia from Koobi For a, with magnified area that shows cut marks that are evidence of possible prehistoric cannibalism. 	Source: Jennifer Clark/Smithsonian

Prehistoric Cannibalism Revealed? Human Relatives Butchered Each Other 1.45 Million Years Ago

A human leg bone dating back to 1.45 million years ago is marked with 11 tiny cut marks. A new study shows that while two were made by an animal, probably a lion, the remaining 9 suggest another...