A new study suggests that human ingenuity hasn't exempted us from the forces of evolution. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

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.

Introduction. Definition of natural selection ; Relationship to genetic drift and evolution ; Restricted meanings of "natural selection" ; Modes of selection ; Summary -- Philosophical comments.

Jaco Greeff received funding from the National Research Foundation to study sex ratios. Jan Willem Helenus Ferguson does not work for, consult, own shares in or receive funding from any company or ...

For well over a century, Darwin’s theory of natural selection has served as biology’s grand unifying framework, explaining how species adapt and evolve through the differential replication of randomly ...