This is Color (A Weird Little Lesson in Rainbow Order) ~ Nicole Cohen & Beth Novey

October 31, 2014 @ NRP


As part of NPR’s forthcoming series on color, we’ve compiled some surprising #colorfacts into a weird little lesson, with visuals inspired by the 1950s work of professor Arthur C. Hardy of MIT.

Pee Paint

Until the late 1800s, Indian Yellow (a popular painter’s pigment) was made from cow urine. Specifically from “the urine crystals of cows fed entirely mango leaves, a diet that rendered cattle haggard (and farmers poor),” Stewart writes in Roy G. Biv. Fortunately for artists and cows alike, a method was eventually developed to make the pigment synthetically.

See it all at NPR


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