Closeup image of an ancient wooden Egyptian falcon. Researchers have found a way to repoduce the blue pigment visible on the artifact, which is the world's oldest synthetic pigment. (Credit: Matt Unger, Carnegie Museum of Natural History) =============================================================== In a nutshell * Ancient Egyptian artisans developed precise, repeatable recipes to create four distinct shades of Egyptian blue, the world’s first synthetic pigment, long before the science of chemistry existed. * The pigment’s iconic blue color comes primarily from the mineral cuprorivaite, and researchers found that even samples with only 50% cuprorivaite could produce rich, vibrant blues. * Modern scientists recreated...