An experiment exploring how mouthwash interacts with germs and what really happens at a microscopic level.#Science ...

Have you ever wondered why most disinfectants indicate they kill 99.9% or 99.99% of germs, but never promise to wipe out all of them? Perhaps the thought has crossed your mind mid-way through cleaning ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. How many bacteria live on a subway seat? What about on your wallet? In ...

The spread of the H1N1 flu, the "swine flu," is thought to spread from person to person through coughing or sneezing. Health officials encourage you to wash your hands often with soap and warm water.

Pathogens have distinct electrical charges, shapes and sizes. Measuring how quickly they move through an electric field can help researchers separate different species in a sample in minutes. I am a ...

Should you keep the toilet seat lid up or down is a surprisingly common question in many households, especially where bathrooms are shared by families or roommates. It may seem like a small and ...

Have you ever wondered why most disinfectants indicate they kill 99.9% or 99.99% of germs, but never promise to wipe out all of them? Perhaps the thought has crossed your mind mid-way through cleaning ...