Although ancient methods of bleaching remain unknown, historians have evidence that early civilizations must have known how to bleach fabrics. White cloth was produced by the ancient Egyptians, Babylonians, Phoenicians, and Hebrews, as well as by the...

Bleaches are used to eliminate color imperfections such as grayness from natural fibers, including wool and cotton, and to impart a pleasing white, laundered effect. They are also used to lighten the color of flour and other foodstuffs; to treat wood...

A bleach is a chemical that removes colour or whitens, often via oxidation. Common chemical bleaches include household "chlorine bleach", a solution of approximately 6% sodium hypochlorite (NaClO), and "oxygen bleach", which contains hydrogen peroxide...

Americans put a high price on their smiles and these days, it seems as if everyone is willing to spend beaucoup bucks to whiten their teeth. It's an unfortunate fact of life that our teeth become yellow with age. One reason for this...

Skin-lightening 'fashion' grows in sub-Saharan countries Meaux, France - In sub-Saharan countries, it is generally considered by societies, and reflected through the media, that people with lighter skin may have a higher social status. Skin bleaching, therefore, has become a fashion, and is...

Corals stressed by warming conditions may benefit from the passage of a hurricane _ as long as it doesn't slam right into them. Bleaching of corals has been a growing problem in recent years with the loss of algae or reduction of pigment in the...

An orbiting spacecraft has sent back new evidence for the presence of water on Mars. Scientists long have debated whether water flowed on the red planet, with evidence increasing in recent years. The presence of water would raise the possibility of at least primitive life...

An overview of the cleaning agent bleach, including its uses, chemical makeup, and dangers associated with its misuse.