The U.S. Food and Drug Administration has approved three new color additives for use in food: galdieria extract blue (from ...

For me, one such plant is the Echium candicans). This plant appears at the top of the list of drought-tolerant, ...

U.S. regulators said Friday that they would allow three new color additives made from natural sources to be used in the ...

The U.S. Food and Drug Administration has approved three new color additives from natural sources “that will expand the ...

The move aligns with U.S. Department of Health and Human Services Secretary Robert F. Kennedy Jr.’s priority to phase out petroleum-based dyes in the nation’s food supply.

Maya blue is a highly unusual pigment because it is a mix of organic indigo and an inorganic clay mineral called palygorskite. The rich blue color does not fade over time; it has maintained its ...

Not only do the two use different “inks”—traditional tattoos use concentrated tattoo ink, while cosmetic tattoos use smaller pigment particles—but they’re also applied differently.

Scientists at UC Berkeley developed a technique called Oz, using lasers to precisely stimulate photoreceptors in the human eye, allowing people to see a vivid new blue-green color named “olo” — far ...

The vagina and the external structures of the vulva naturally range in shape, color, and size. No specific types of vagina exist. Each person’s vagina will have unique characteristics.

Researchers are investigating how to increase melanin in the human body, but there are currently few known methods that allow us to naturally increase production of this pigment. Melanin is produced ...

Vaginal discharge changes throughout the month and, while typically clear or white, it can be a different color like brown. A common reason is old blood in the discharge around the time of your period ...