Things You Thought You Knew – Rocks Float episode artwork

EPISODE · Jun 23, 2026 · 44 MIN

Things You Thought You Knew – Rocks Float

from StarTalk Radio · host Neil deGrasse Tyson, Chuck Nice

What would happen in a world with too much oxygen? Neil deGrasse Tyson and Chuck Nice break down how rocks actually float, warm blankets, and why oxygen isn’t actually flammable.  NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here:  https://startalkmedia.com/show/things-you-thought-you-knew-rocks-float/ Thanks to our Patrons Oli H, Michael, Dodo Moon, Dylan Halse, David Kovner, Alex Morales, Anthony Cole, Mark Stephenson, Dane, Lisa LaVergne, TheCamo1989, Peter, Alyce Adams, Gabriel Prusan, Abby, Rose, Hal Crimm, Khawaja Rashid, Deb Driscoll, Unknown, Robert Scholl, Kristin Laskey, Rahh, Oleg Dashevsky, Mark, Shayan Alvarez, Andre, C.J. Meyer, Kipley Kerley, Jaimie Mcneil, Carmen Hairapetian, Melissa Clark, Alan, Christian Vermeulen, Matt Rosenberg, Elisa Huertas, Chiren C, Tom, Lisa Wade, Emiliano Munoz, Wayne Bell, DM Peterson, Maxwell Warner, John Antoniou, Craig Lowry, Steve, Erica Waterman, Bailee's Clubhouse, Tim Weil, Katie Morphonios, Riley, MotionChickness, Ryan, David Jenkinson, Talon Scherwinski, Troy Taylor, Conrado, Hanes Welday, NA NA, Travis Osborne, Pasquale, Zach Truett, Jacqueline Thompson, HorrificFang, Mike Preston, Mike Meyers, CC, Mandy Potts, Mandy, Erik Rosales, Nate Harter, Daniel Kerrigan, Carl Celizic, Tyler Blankenship, William Haglid, David Martinez, Khayyal Cameras, Panch Jeyakumar, and Dylan Halcomb for supporting us this week. Subscribe to SiriusXM Podcasts+ to listen to new episodes of StarTalk Radio ad-free and a whole week early.Start a free trial now on Apple Podcasts or by visiting siriusxm.com/podcastsplus. Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

What would happen in a world with too much oxygen? Neil deGrasse Tyson and Chuck Nice break down how rocks actually float, warm blankets, and why oxygen isn’t actually flammable.

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Things You Thought You Knew – Rocks Float

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How long is this episode of StarTalk Radio?

This episode is 44 minutes long.

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This episode was published on June 23, 2026.

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What would happen in a world with too much oxygen? Neil deGrasse Tyson and Chuck Nice break down how rocks actually float, warm blankets, and why oxygen isn’t actually flammable.  NOTE: StarTalk+ Patrons can listen to this entire episode...

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