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 ...

Deep beneath Rome’s Domus Aurea, archaeologists have unearthed a rare ingot of Egyptian blue — the world’s first synthetic pigment.

Archaeologists excavating the remains of Rome's "Golden House," the opulent palace that Emperor Nero built for himself right across the street from the Colosseum, recently uncovered a rare chunk of ...

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 ...