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By Mary Roach

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Overview

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Mary Roach travels across the world to uncover the impact modern science has on the human body. From stem cell centers to a working iron lung, Roach shares relevant and informative examples of science in action.

One of Lit Hub’s Most Anticipated Books of 2025

From the New York Times best-selling author of Stiff and Fuzz, a rollicking exploration of the quest to re-create the impossible complexities of human anatomy.

The body is the most complex machine in the world, and the only one for which you cannot get a replacement part from the manufacturer. For centuries, medicine has reached for what’s available—sculpting noses from brass, borrowing skin from frogs and hearts from pigs, crafting eye parts f...