From a distance, the dunes at Great Sand Dunes National Park look barren. Some dark areas can be seen, but the dark sands are rich in magnetite, an oxide of iron, exposed when the wind churns and ...

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. My bet was ...

Dust mites belong to the arthropod family. They’re related to ticks and resemble insects but lack wings and eyes. Dust mite reactions are typically harmless, though they can cause swelling, itching, ...

Goff, M.L. (1983) A new species of Gahrliepia (Gahrliepia) (Acari: Trombiculidae) from Java. International Journal of Entomology, 25, 281–284. Fernandes, S.J., Stan & Kulkarni, S.M. (2003) Studies on ...