Most people are familiar with dust mites. After all, they cause allergies in people and can cause mange in animals.<br /><br />But according to Business Insider, microscopic face mites live on pretty much everyone's face, too.<br /><br />However, most people never notice, because face mites feed on facial oil, not flesh.<br /><br />And when it comes time to breed, females lay just a single egg in your pores.<br /><br />Even better, researchers can study your face mites to track how your ancestors migrated across the planet.<br /><br />That's because we usually pass them from parent to child, so the mites stay in the family!
