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Why can’t blindfolded people walk in a straight line? It’s a scientific mystery

Strange as it might seem, people are incapable of walking or swimming in a straight line when they are blindfolded. Perhaps even stranger, no one seems to quite know why. This short animated video from NPR and Radiolab’s Robert Krulwich dissects one of the more perplexing and enduring mini-mysteries of science.

Producers: Jessica Goldstein, Maggie Starbard

Animator: Benjamin Arthur

20 November 2015

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