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 ...
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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