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For her masters thesis in science writing, Aviva Hope Rutkin starts writing about sensory substitution -- a way of swapping in one sense for another. But her work leads to a mysterious Dr. Bach-y-Rita and a whole new way of knowing someone.
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After a career as a theater manager, Stuart Firestein takes a biology class, which leads him to a completely new life, and a lot of salamander noses.
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Margot Leitman faces down doctors, friends and uncertainty when she suddenly loses hearing in one ear.
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