In this video, I demonstrate how to make an oxygen generator using manganese dioxide (MnO2) and hydrogen peroxide (H2O2) ...

As the weather gets colder, many people turn to humidifiers to ease dry noses and scratchy throats. These small machines add moisture to the air, which can make breathing feel ...

At-home toners don’t alter the color of silver hair with bleach or hair dye, Smith says; instead, they refine it.

No, there is no evidence to support that coconut oil can whiten teeth. Still, it can make them appear brighter after application, albeit temporarily. And swishing coconut oil in your mouth (a.k.a. oil ...

Earwax (cerumen) protects the inside of your ears from irritation and infection. As the body makes new wax, the old earwax usually drains out of your ears naturally. Sometimes earwax can build up and ...

A spray of water microdroplets turns a test strip blue, indicating the presence of hydrogen peroxide. Credit: Credit: Proc. Natl. Acad. Sci. U.S.A. It’s the latest in a series of studies from Zare, ...

With a lucrative tax credit, the Biden administration is hoping to establish a new industry that might help fight climate change. By Brad Plumer Reporting from Washington The Biden administration on ...

For the past few years, companies and prospectors around the world have been hunting for underground reserves of natural hydrogen, spurred by estimates that Earth contains trillions of tonnes of the ...

Toyota found a way to downsize the typical consumer hydrogen tank. Its portable hydrogen cartridges are small enough to be carried like a backpack. In theory, they ...