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President Trump has been pushing back on the notion of a "blue wave," and embracing the idea of a "red wave." But the adaptation of "red" is a popular culture shift from the Cold War. Renee Klahr/NPR hide caption

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Renee Klahr/NPR

Crayola's new blue crayon is inspired by the YInMn pigment discovered at Oregon State University in 2009. It will replace Dandelion, the bright yellow hue that the company is retiring. Patrick Shuck/Crayola hide caption

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Patrick Shuck/Crayola