Green copper-containing glazed paint on oil paintings by artists such as Frans Hals, Raphael and Titian was not made by dissolving the pigment verdigris - a green copper salt - in warm varnish to ...

The Poison Book Project examines antique books for heavy metal pigments — including mercury, lead and arsenic — commonly used in Victorian bookbinding.

Using advanced electron crystallography techniques, researchers at Stockholm University have succeeded in determining the structure of the historically significant red pigment carmine. It turns ...

An unpopular pigment used by artists in the 18th Century could lead to more energy efficient, faster computers. Cobalt green, as it is known, has been tested by a US team who believe it could be used ...

A bright-red pigment housed inside a small stone vial could be one of the oldest known examples of lipstick in the world. Archaeologists recovered the Bronze Age cosmetic in 2001 in Jiroft, a city ...

Melanin can be turned into a conductive film Bionic implants could one day be built with melanin, the pigment that gives skin and hair its colour. A new process boosts the substance's electrical ...

Explore David Nash: Wood, Metal, Pigment at Annely Juda Fine Art. Learn more about the exhibition and featured artworks.

Plants use iron to photosynthesize. They even need it to produce chlorophyll, which is why the leaves of iron-deficient plants start to lose their green pigment and turn yellow.

Common dyeing, with synthetic pigments, involves large concentrations of hazardous chemicals such as chromium and other heavy metal salts and consumes vast amounts of energy and water, with ...