Annatto is a bright orange-red pigment extracted from the seeds of the achiote tree, which thrives in tropical regions. It is ...

This year's Lantern Festival has introduced a new trend popular among young people: tangyuan, the traditional glutinous rice ...

A natural plant extract that gives color to red and pink fruits and vegetables may ease depression symptoms by enhancing brain cell communication, a new study found. But there's a catch.

"Compared to synthetic drugs, natural plant extracts offer the advantages of being suitable for long-term consumption, having fewer side effects and being safer," researchers wrote.

Accordingly, a greener protocol to teach chromatography, colorimetry, solubility, and some alkene reactions using tomato paste was developed. An innovative method was developed to efficiently extract ...

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 ...

For the most part, this year’s EUSEXUA is a marked move even further away from the heartache that defined her past. FKA twigs has never sounded freer and more focused. The album’s highlights ...

The Egyptians utilized this pigment extensively, applying it to a variety of materials ... to which coarse filings of Cyprian copper are added, so as to make a paste when moistened with water; this is ...

Known as “Egyptian Blue,” it’s among the oldest synthetic pigments in the world, with the newly found ingot weighing more than five pounds. Archaeologists excavating the Domus Aurea, ...

Pigment-based inks are new to the scene and are commonly used in photography-grade printers. They last longer, upwards of 50-70 years or more, but they tend to be more fickle. Most pigment printers ...

Vitiligo on the penis occurs when patches of skin change color, just as they can on other parts of the body. These melanin (skin pigment) changes occur in about 1% of the United States population, ...