Modern capitalism is sometimes criticized as inferior to a long-ago golden age. A past golden age is a myth. Human ancestors suffered from cannibalism and other violence.
(p. D3) In today’s scholar-eat-scholar world of paleoanthropology, claims of cannibalism are held to exacting standards of evidence. Which is why more than a few eyebrows were raised earlier this week over a study in Scientific Reports asserting that a 1.45-million-year-old fragment of shin bone — found 53 years ago in northern Kenya, and sparsely documented — was an indication that our human ancestors not only butchered their own kind, but were probably, as an accompanying news release put it, “chowing down” on them, too.
The news release described the finding as the “oldest decisive evidence” of such behavior. “The information we have tells us that hominids were likely eating other hominids at least 1.45 million years ago,” Briana Pobiner, a paleoanthropologist at the Smithsonian’s National Museum of Natural History and first author of the paper, said in the news release.
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Dr. Pobiner, an authority on cut marks, had spied the half-tibia fossil six summers ago while examining hominid bones housed in a Nairobi museum vault. She was inspecting the fossil for bite marks when she noticed 11 thin slashes, all angled in the same direction and clustered around a spot where a calf muscle would have attached to the bone — the meatiest chunk of the lower leg, Dr. Pobiner said in an interview.
She sent molds of the scars to Michael Pante, a paleoanthropologist at Colorado State University and an author on the study, who made 3-D scans and compared the shape of the incisions with a database of 898 tooth, trample and butchery marks. The analysis indicated that nine of the markings were consistent with the kind of damage made by stone tools. Dr. Pobiner said that the placement and orientation of the cuts implied that flesh had been stripped from the bone. From those observations she extrapolated her cannibalism thesis.
“From what we can tell, this hominin leg bone is being treated like other animals, which we presume are being eaten based on lots of butchery marks on them,” Dr. Pobiner said. “It makes the most sense to presume that this butchery was also done for the purpose of eating.”
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. . ., clear proof of systematic cannibalism among hominids has emerged in the fossil record. The earliest confirmation was uncovered in 1994 in the Gran Dolina cave site of Spain’s Atapuerca Mountains. The remains of 11 individuals who lived some 800,000 years ago displayed distinctive signs of having been eaten, with bones displaying cuts, fractures where they had been cracked open to expose the marrow and human tooth marks.
Among our other evolutionary cousins now confirmed to have practiced cannibalism are Neanderthals, with whom humans overlapped, and mated, for thousands of years. A study published in 2016 reported that Neanderthal bones found in a cave in Goyet, Belgium, and dated to roughly 40,000 B.C. show signs of being butchered, split and used to sharpen the edges of stone tools. Patterns of bone-breakage in Homo antecessor, considered the last common ancestor of Neanderthals and Homo sapiens, suggest that cannibalism goes back a half-million years or more.
For the full story see:
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(Note: the online version of the story was updated July 3, 2023, and has the title “Cannibalism, or ‘Clickbait’ for Paleoanthropology?”)
The study in Scientific Reports mentioned above is: