Fukuoka, Japan—An international team of researchers from Japan and Germany has developed a new system that upconverts blue LED light into high-energy Ultraviolet B, or UVB, light. As the system does ...

It may not be great on the eyes, but it could be a new way to take care of those pit stains. By Andrew Paul Published Sep 3, 2025 10:00 AM EDT Get the Popular Science daily newsletter💡 Breakthroughs, ...

Not to sound like a TV commercial or anything, but … how often have you had to throw out white shirts because of unsightly yellow underarm stains? Well, those stains may not be a problem any longer, ...

We all have that favorite piece of clothing, and we're all familiar with the sinking feeling when we spill something on it. But now, new reports have revealed a simple way to remove pesky stains. ACS ...

Sweat and food stains can ruin your favorite clothes. But bleaching agents such as hydrogen peroxide or dry-cleaning solvents that remove stains aren’t options for all fabrics, especially delicate ...

UVB has utility in processes such as detoxifying pollutants and treating dermatological disorders, but it can only be produced by inefficient and environmentally harmful methods. Research teams have ...