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HEMOGLOBIN LEVELS TIBETANS
Tibetans adapted to live at high altitudes where oxygen is scarce; study suggests ancient interbreeding with an extinct human population may have given their ancestors a genetic advantage to survive in one of planet’s harshest environments- In 2014, scientists compared EPAS1 DNA from 40 Tibetans and 40 Han Chinese and linked a high-altitude adaptation to Denisovan-like ancestry. 12 years later, the finding traced the genetic gift to an interbreeding event about 48,700 years ago
- Humans are still evolving, and this remote plateau of the world is the proof scientists needed
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