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Home > Science Friday > The Science Of Replacing Body Parts, From Hair To Hearts
Podcast: Science Friday
Episode:

The Science Of Replacing Body Parts, From Hair To Hearts
Category: Religion & Spirituality
Duration: 00:18:38
Publish Date: 2025-10-15 10:00:00
Description:

It seems like every week, there’s a new headline about some kind of sci-fi-esque organ transplant. Think eyeballs, 3D-printed kidneys, pig hearts.

In her new book, Replaceable You: Adventures in Human Anatomy, science writer Mary Roach chronicles the effort to fabricate human body parts—and where that effort sometimes breaks down. Host Flora Lichtman speaks with Roach about everything from hair transplants to 3D-printed hearts, and why our anatomy is so hard to replicate in the first place.

Guest: Mary Roach is a science writer and the author of Replaceable You: Adventures in Human Anatomy.

Transcripts for each episode are available within 1-3 days at sciencefriday.com.

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