For most of our evolutionary history, human activity has been linked to daylight. Technology has liberated us from these ancient sleep-wake cycles, but there is evidence sunlight has left and ...

The commonly accepted theory of skin color evolution holds that early humans developed lighter skin as they moved away from Africa and into Europe’s northern latitudes. The idea was that lighter skin ...

Many people believe that we humans have conquered nature through the wonders of civilization and technology. Some also believe that because we are different from other creatures, we have complete ...