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    Science FridayThe Science Of Replacing Body Parts, From Hair To Hearts
    18 minEpisode 1144

    The Science Of Replacing Body Parts, From Hair To Hearts

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    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.

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    © Science Friday and WNYC StudiosLength 18 min15 October 2025Episode 1144ScienceFactsEducationalUSAEpisodic

    Agricultural Bees, China’s Energy Future, Frankenstein In Class. Feb 2, 2018, Part 1

    Agricultural Bees, China’s Energy Future, Frankenstein In Class. Feb 2, 2018, Part 1

    This is an episodic podcast, so you can listen to it in any order, but episode one is a great place to start.

    Listen to episode one here
    11+ScienceFactsEducationalUSAEpisodic15 October 2025© Science Friday and WNYC Studios

    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.

    Subscribe to this podcast. Follow our show on Instagram, TikTok, Facebook, and Bluesky @scifri and sign up for our newsletters. Got a science question that’s keeping you up at night? Call us: 877-472-4374

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    © Science Friday and WNYC Studios |Original Episode URL. The content, artwork and advertising within this podcast is not owned or affiliated with Sound Carrot and remain the property of their respective owners.


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