Charles Darwin’s On the Origin of Species was first published in 1859, introducing much of the world to evolutionary theory. By that time, Darwin had lived through most of the first Industrial ...

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 ...

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.