A fossilized leg bone bearing cut marks made by stone tools might be the earliest evidence that ancient humans butchered and ate each other’s flesh.
The 1.45-million-year-old hominin bone, described in Scientific Reports1 on 26 June, features cuts similar to butchery marks found on fossilized animal bones from around the same time. The scrapes are located at an opportune spot for removing muscle, suggesting that they were made with the intention of carving up the carcass for food.
“The most logical conclusion is, like the other animals, this hominin was butchered to be eaten,” says study co-author Briana Pobiner, a palaeoanthropologist at the Smithsonian Institution in Washington DC. The discovery was “shocking, honestly, and very surprising, but very exciting”, she adds.
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