Replaceable You with Mary Roach

StarTalk Radio

Scientist, Nasa, Neil Degrasse Tyson, Climate Science, Earth Science, Nature, Astronomy, Science, Multiverse, Spacetime, Astrophysicist, Space, Education, Cosmos, Astronomer, Startalk, Quantum Physics, Physics, Universe, Astrophysics, Star Talk

4.6 • 14.9K Ratings

🗓️ 12 December 2025

⏱️ 51 minutes

🔗️ Recording | iTunes | RSS

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Summary

Are our parts replaceable? Neil deGrasse Tyson, Chuck Nice, & Gary O’Reilly sit down with bestselling author Mary Roach, who discusses her newest book, Replaceable You, and the quest to grow organs, build parts, and engineer the human body.

Transcript

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0:00.0	Gary, Chuck, are you need of any organs?
0:03.2	Are we talking Hammond or Steinway?
0:06.0	Yeah, exactly.
0:08.0	We're talking about replaceable you.
0:11.0	All the ways our organs and appendages might need replacement in the future.
0:16.0	Coming up with the one and only, Mary Roach.
0:21.5	Welcome to StarTalk.
0:24.1	Your place in the universe where science and pop culture collide.
0:30.1	StarTalk begins right now.
0:34.4	This is StarTalk.
0:36.7	Neil DeGrasse Tyson, you're a personal astrophysicist, and I see next to me, Gary O'Reilly, that must mean this is special edition. Gary, how you doing, man, former soccer pro? Allegedly. Soccer announcer. Mm-hmm. And you lend of yourself to our cause. Yeah, with pleasure. Thank you. Chuck, good to have you, man. Always a pleasure.
0:54.6	Okay, professional stand-up comedian.
0:56.6	You're working tonight.
0:57.7	I am.
0:58.7	Man, it makes no difference to say where because it'll be over by time anybody hears this.
1:04.5	So today, we're titling this, are we replaceable?
1:09.2	Hmm.
1:11.2	Are we replaceable? I. Are we replaceable?
1:12.8	I see you've been talking to my wife.
1:18.0	Are we replaceable?
1:20.3	So what does that even mean, Gary?
1:22.1	Okay, let me sort of phrase it this way.
	...

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