Evolution. https://en.m.wikipedia.org/wiki/High-altitude_adaptation_in_...
From the wiki page: "In fact, the adaptation account of the Tibetans has become the fastest case of human evolution in the scientific record, as it is estimated to have occurred in less than 3,000 years."
Evolution. https://en.m.wikipedia.org/wiki/High-altitude_adaptation_in_...
From the wiki page: "In fact, the adaptation account of the Tibetans has become the fastest case of human evolution in the scientific record, as it is estimated to have occurred in less than 3,000 years."