Denisovans lived in Tibetan Plateau, fossil evidence shows

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  1. Analysis of a fossil jawbone containing molars recovered from Baishiya Karst cave in Xiahe, Gansu, Tibet, China has revealed that Denisovans lived in the Tibetan Plateau some 1,60,000 years ago. The study has been published in the journal Nature.
  2. The Denisovans or Denisova hominins are an extinct species or subspecies of archaic humans in the genus Homo. It was first discovered from a bone fragment in Denisova Cave (700 metres) in Siberia.
  3. It is popularly believed that that high altitude regions were inhabited only by modern humans dating back to less than 40,000 years. However, the latest fossil remains conclusively prove that Denisovans lived in the Tibetan Plateau at an altitude of 3,280 metres much earlier.
  4. According to the study, Denisovans evolved a genetic adaptation that helped them to cope in low-oxygen environment. This was eventually passed on to some modern Tibetans.

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