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Nature’s Most Elusive Color Might Surprise You 17

The sky above us and the ocean below are blue, but this trick of light still dazzles scientists. Kai Kupferschmidt is a contributing correspondent for Science magazine, and he joins host Krys Boyd to discuss why we so often overlook the rarity of this particular color and his trek around the globe to better understand it. His book is called “Blue: In Search of Nature’s Rarest Color.”