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

At roughly 4,000 meters above sea level, the air has not suddenly lost its oxygen. Oxygen still makes up about 21% of dry air. What has changed is the pressure squeezing those oxygen molecules togeth…

This is a preview of the original article. Source: The Times of India · Global Desk

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