In natural populations, the mechanisms of evolution do not act in isolation. This is crucially important to conservation geneticists, who grapple with the implications of these evolutionary processes ...

The Indigenous peoples of the Bolivian highlands are survivors. For thousands of years they have lived at altitudes of more than two miles, where oxygen is about 35 percent lower than at sea level.

“Predictive indicators for whether a child will be vulnerable to certain diseases after birth, as well as their future height, skin tone, and other traits, are becoming increasingly sophisticated.