Most people on Earth are habitats for mites that spend the majority of their brief lives burrowed, head-first, in our hair follicles, primarily of the face. In fact, humans are the only habitat ...

This story appears in the February 2015 issue of National Geographic magazine. Currently two species of face mites are known; at least one of them appear to be present on all adult humans.

If you are reading this, you are probably not alone. Most people on Earth are habitats for mites that spend the majority of their brief lives burrowed, head-first, in our hair follicles, primarily of ...