Introduction: The color of Clausena lansium L. Skeels cv. Jixin fruit peel is brown (BP), while the mutant cv. Zijin had purple fruit peels (PP). The coloration of the peels was attributed to ...

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 ...

With a little practice, you can master home painting techniques that mimic the look of high-end finishes such as malachite. A gemstone whose emerald and mint green swirls have been turning heads for ...

and a copper-containing mineral like azurite or malachite to temperatures between 1470 and 1650 degrees Fahrenheit, Egyptian artisans produced a compound known as calcium copper silicate, a rich blue ...

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, ...

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, ...

Archaeologists excavating near the Colosseum found a rare chunk of Egyptian blue pigment dating back about 2,000 years. Photo from Simona Murrone and the Colosseum Archaeological Park Across the ...

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Parts of Malachite are derived from GMP, FLINT, and MPFR. The documentation for Malachite is here, and its crate is here. Floats (arbitrary-precision floating-point numbers) are in development and are ...