Manufacturers of food and medications will be banned from using eight commonly used food dyes by the end of 2026, according ...

“Food dye is just a no-brainer. Nobody wants to eat petroleum. Everybody knows there’s enough science out there that we know ...

Dyed blue orchids are popular—but the colour is artificial. Real blue orchids are rare. Learn what makes popular blue orchids ...

James Cook University scientists have been trying to discover exactly why some animals glow under ultraviolet light. JCU ...

These natural alternatives include Galdieria extract blue, a blue pigment derived from extremophilic microalgae, and ...

The team found the molecule porphyrin causes the fur of bandicoots, quolls, and possums to glow bright pink under black light. Meanwhile metabolites of tryptophan produce a blue shade. Sometimes the ...

Unlike other dyes, indigo turns cloth vivid blue only after the dyed fabric has ... A Dutch superstition held that any man who touched the plant would become impotent. Governments got the message.

Dan Warnock | Baker City, Oregon Many purples in historic fabrics are, in fact, the result of coloring a fabric with a blue dye, like indigo or woad ... head of the Plant Conservation Unit ...