bacteria

Pest control and microbial disinfection protocols often utilize ultraviolet (UV) light. The reason is because UV light is extremely damaging to cells.
Classifying species is a notoriously sticky problem in biology.
With winter approaching, perhaps you or somebody you know will be unlucky enough to catch a nasty "stomach flu" or "24-hour flu," which will allow you to spend some quality time in the bathroom.
International travel is not always a pleasant experience. Cramped airplanes with crying babies, ridiculous and arbitrary regulations, long lines, and overpriced food contribute to the general grumpiness and anxiety that many travelers feel.
Roughly 1 in 3 women douche, but there is no good health reason to do so. Many women believe that douching will clean their vaginas or elim
Unwanted microorganisms are a fact of life. Bugs grow everywhere we don't want them, from our showers and sinks to our toilets and toothbrushes.
What happens when we die? This question is both existential and biological. While scientists cannot address the first, they certainly can address the second. What happens to your body after you die is not pretty.