A study of people living on the Tibetan Plateau suggests that human evolution is still occurring today. Researchers examined women who had spent their lives at high altitudes and found that certain physiological traits were linked to greater reproductive success. These adaptations help the body transport oxygen more efficiently in an environment where oxygen levels are low. The findings indicate that natural selection continues to influence human populations facing environmental pressures.

Humans are not yet done cooking.

A study of people living on the Tibetan Plateau suggests that human evolution is still occurring today. Researchers examined women who had spent their lives at high altitudes and…

High on the Tibetan Plateau, where the air feels thin in a way that is hard to describe unless you’ve stood there, human life has been quietly adjusting itself for thousands of…