Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. To mark our 150th year, we’re revisiting the Popular 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 ...

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.

How many bacteria live on a subway seat? What about on your wallet? In your dog's mouth? These are all questions that TikToker @the_lab_life1 endeavors to answer. By taking samples from everyday ...

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 ...

CLEVELAND — This week, the Curiosity Cube is traveling to a few Cleveland schools to give young students the opportunity to interact with real scientists. Second grade students are searching for ...

Hassan Vally does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...