Humans adapted to living in rainforests much sooner than thought

An international research team has shed new light on the diet of some of the earliest recorded humans in Sri Lanka. The researchers from Oxford University, working with a team from Sri Lanka and the University of Bradford, analysed the carbon and oxygen isotopes in the teeth of 26 individuals, with the oldest dating back 20,000 years. They found that nearly all the teeth analysed suggested a diet largely sourced from the rainforest.

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