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The oldest known human fossil… is even older

Rock formations near where Kibish Omo I was found.
Rock formations near where Kibish Omo I was found. Photo: Wikimedia Commons

New analysis of the fossil known as Kibish Omo I has pushed back its age by 30,000 years, making the fossil a remarkable 233,000 years old. That number comes from dating of the volcanic ash layers in which the bones were found back in the 1960s.