The iris is the colored part of the eye. Pigment dispersion syndrome (PDS) occurs when pigment rubs off the back of the iris and floats freely in the eye. Pigment pieces can block the eye’s drainage ...
Figure 1: Different pigment patterns of D. rerio and D. albolineatus. Figure 2: Enhanced Csf1 expression in D. albolineatus through cis regulatory evolution. Figure 3: Time and pattern of xanthophore ...
Ancient Egyptian artists as far back as 3100 B.C.E. employed an artificial pigment now called Egyptian blue, using it to paint wood, stone, and cartonnage (a material that resembles papier-mâché), as ...
In the ruins of Rome’s opulent Domus Aurea palace, archaeologists have uncovered an array of ancient pigments used by artisans to paint the walls of the emperor Nero’s stately marble home with ...
When archaeologists brushed away the dirt from a prehistoric artifact in Germany, they were startled to see a shimmer of extremely rare color. Clinging to the stone’s surface were flecks of deep, ...
Upon entering Kremer Pigments on 29th Street and Eighth Avenue in Manhattan, visitors were greeted by bags and bottles of color: lapis lazuli, vermillion, malachite, a wide variety of ochres and iron ...
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