VOLKER STEGER / SCIENCE PHOTO LIBRARY VOLKER STEGER / SCIENCE PHOTO LIBRARY
Dust mites. Coloured scanning electron micrograph (SEM) of two dust mites (Dermatophagoides pteronyssinus) on a piece of human skin. Millions of dust mites inhabit the home, feeding on shed skin cells. They mainly live in furniture, and are usually harmless. However, their excrement and dead bodies may cause allergic reactions in susceptible people.
Model release not required. Property release not required.