Discover the evolutionary story behind the human chin. Learn how craniofacial changes and mandibular traits shaped this ...

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.

Are you lactose intolerant? Many people are. In fact, the ability to digest lactose may be an example of adaptive evolution in the human lineage. Although the study of natural selection in humans is ...

A team of global experts has discovered new signals of natural selection in humans. Led by UC Santa Barbara Tsimane Health and Life History Project co-director Michael Gurven, the team studied two ...

Most of us know that as living things evolve, they take on traits that help them thrive in their home environments. But how are certain traits "chosen" for future generations, and how are others cast ...