Amphibole asbestos has been (mostly) illegal in the United States since 1989. So why is the EPA just banning chrysotile asbestos in the year 2024? And is chrysotile really safer?<b<br/>r/>

Fashion fads come and go—but did you know that some fashion trends are downright dangerous?

HEPA filters are the basis of modern filtration - but they also represent a straight line from the Manhattan Project to your living room!

As you know, in fashion, one day you're in and the next day your skin is falling off and your lungs are melting.

It seemed like a miracle stone, and eventually, the ancient Greeks, Romans, and Egyptians all started using it, too.

Howcast - Check out this Portal 2 walkthrough and beat Chapter 6 - Part 3: Repulsion Gel Room 2 of 3 with this online demo.

Nanotechnology is already widely used, but some scientists are warning it could prove dangerous in future. Why? Chemistry - Atoms And Bonding - Learning Points. Nanomaterials take on very different properties to their larger particles....