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.

Evolution is an ongoing process, although many don’t realize people are still evolving. It’s true that Homo sapiens look very different than Australopithecus afarensis, an early hominin that lived ...