Meet the man that protects the world’s rarest colors, some being poisonous, and some very beautiful. One of the colors is a yellow pigment originating from dried cow urine where they were only fed mango leaves.

This Man Protects the World’s Rarest Colors The materials collection, at the Harvard Art Museums in Cambridge, MA, houses thousands of pigments, including some of the world’s rarest. Dragon’s blood, mummy, Indian yellow: these are but a few flashy highlights from the museum’s collection.   Source: