Maya blue, discovered by modern researchers in 1931, is not an easy pigment to make. Echoing the color of an azure sky, the ...

An artifact from Iowa State University, linked to George Washington Carver's rediscovery of Egyptian blue, was displayed at ...

Slight changes in color can occur within the first six ... The Conformite Europeenne in Europe regulates these micronized mineral pigments to make sure they meet certain standards, but the U.S ...

Maya blue, discovered by modern researchers in 1931, is not an easy pigment to make. Echoing ... and an inorganic clay mineral called palygorskite. The rich blue color does not fade over time ...

Researchers uncovered a second ancient method the Maya used to craft their long-lasting blue pigment, revealing new cultural ...

So I didn’t try to make ... natural color variations that should be left alone and blotches that need treatment. The pens I used contain alcohol-soluble dyes (not oil-borne pigments), which ...

These two materials have more differences than their similar names may suggest. Our experts break them down, so you can ...

When skin is exposed to UV light, the body produces melanin, a dark pigment made by skin cells ... you may not notice a change in color, but your skin will still be tender. If you have a mild ...