In this episode of Science Quickly, host Rachel Feltman explores the age-old quest to replace failing human body parts with science writer Mary Roach. From ancient surgery to modern medical marvels, Roach shares insights from her new book Replaceable You, revealing why replicating our original anatomy is still one of medicine’s greatest challenges.
Recommended Reading
<a href="https://www.barnesandnoble.com/w/replaceable-you-mary-roach/1147039334">Replaceable You: Adventures in Human Anatomy, by Mary Roach. W. W. Norton, 2025</a>
E-mail us at <a href="mailto:sciencequickly@sciam.com">sciencequickly@sciam.com</a> if you have any questions, comments or ideas for stories we should cover!
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Science Quickly is produced by Rachel Feltman, Fonda Mwangi and Jeff DelViscio. This episode was edited by Jeff DelViscio. Shayna Posses and Aaron Shattuck fact-check the show. The theme music was composed by Dominic Smith.
This episode was made possible by the support of <a href="https://www.yakult.co.jp/english/">Yakult</a> and produced independently by Scientific American’s board of editors. Learn more about your ad choices. Visit <a href="https://megaphone.fm/adchoices">megaphone.fm/adchoices</a>

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