Our two main theories of human behavior do a poor job of explaining how humans change to meet the demands of varied environments. One theory -cultural determinism – mostly denies that this happens.

People living in the highlands and lowlands of Papua New Guinea have different frequencies of several Denisovan genetic variants, which may help them adapt to their local environmental conditions. The ...

Add Yahoo as a preferred source to see more of our stories on Google. Everything that is alive today has evolved, including human beings. Our ancestors evolved many traits that helped them survive in ...

Add Yahoo as a preferred source to see more of our stories on Google. A new study of the Turkana in Kenya reveals genetic adaptations to desert survival—and how those same traits may pose health risks ...

Homo sapiens dispersal out of Africa came 50,000 years ago Early humans tackled habitats like deserts and forests June 18 (Reuters) - Small bands of Homo sapiens made a few failed forays leaving our ...

Homo erectus was able to adapt to and survive in desert-like environments at least 1.2 million years ago, according to a paper published in Communications Earth & Environment. The findings suggest ...

Michael A. Little does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...