Between dust, hair, body sprays, hairspray, and moisture from steamy showers, your bathroom floor may not be as clean as you want it to be when you step out of a relaxing bubble bath. To clean the ...

In most cases, hydrogen peroxide can be used safely in the ear to soften earwax and make it easier to remove. However, don't use it if you have a perforated eardrum or ear tubes, because it can cause ...

Gargling with diluted 3% hydrogen peroxide is generally safe. It may help reduce cavities, fight infection, and ease sore throat pain. Avoid high concentrations and contact with eyes or skin to ...

VTT Technical Research Centre of Finland, P.O. Box 1000, Espoo, FI-02044 VTT, Finland ...

There are infinitely many prime numbers, but the biggest one we know of goes by the name M136279841 and contains more than 41 million digits. When you purchase through links on our site, we may earn ...

The ancient scholar Hippasus of Metapontum was punished with death for his discovery of irrational numbers—or at least that’s the legend. What actually happened in the fifth century B.C.E. is far from ...