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 ...

Chemists Tomohiro Sugahara and Hisanari Yoneda found that high-intensity blue LED light irradiation removes the yellowing ...

Researchers hope the technique could offer a more environmentally friendly approach to cleaning up messy clothing. By Jacey Fortin A crisp white shirt can be a dangerous thing. It seems to invite a ...

Researchers have tested LED blue lights on yellow stains from food spills. The results are promising and indicate the blue ...

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, ...