Unearthed at Nataruk, near Kenya’s Lake Turkana, the battered bones provide “conclusive evidence of something that must have been an inter-group conflict,” Cambridge University anthropologist Marta Mirazon Lahr explained/XINHUA-File
Their shattered remains fell into a lagoon, and were preserved in sediment for millennia.
On Wednesday, scientists presented them as evidence of the oldest-known human massacre, a finding that adds to the debate about why humans make war.
The bloodshed occurred when our prehistoric ancestors lived as hunter-gatherers, on the cusp of the agricultural revolution that saw early humans settle down to till the land.
Unearthed at Nataruk, near Kenya’s Lake Turkana, the battered bones provide “conclusive evidence of something that must have been an inter-group conflict,” Cambridge University anthropologist Marta Mirazon Lahr explained.
“Evidence for that, before you have sedentary societies, before you have villages and cemeteries, that is very unique.”
Lahr led a study published in the journal Nature.
There is other fossil evidence of violence against even older individual humans, but none of clashes between groups.
Lahr and her team dug up 12 skeletons, more or less intact, in what would have been fertile land on the edge of a lagoon 10,000 years ago, but is now barren semi-desert.
Ten bore the marks of a violent death – embedded in some of the skeletons were arrow heads made from a black rock called obsidian.
The dig also yielded other skeletons in fragments, including those of small children.
The first skeleton the team discovered was that of a man lying face down, beaten to death.
“The injuries suffered by this man crushed both the side and the front of the head inwards, causing a number of fractures that radiated throughout the skull, and the neck is also broken. So I am sure the second blow killed him,” Lahr said in a Nature podcast.
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