Click above to listen to part 2 of Skeptic Check: How Low Can You Go?, featuring Gordon Giesbrecht, professor of thermal physiology at the University of Manitoba, Winnipeg, Canada, explaining the lowest temperatures at which humans can survive, the benefits of cryotherapy, and the viability of cryonic suspension.

Skeptic Check: How Low Can You Go?:
Part 1: Seth Abramovitch / Cryotherapy
Part 2: Gordon Giesbrecht / Phreezing Physiology
Part 3: Historic Cryosuspension
Part 4: Grant Shoffstall / Cryonic Suspension

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2026 Webby Award Nominee
for our three part series on the 20th anniversary of Hurricane Katrina

Big Picture Science is an immersive radio show and podcast that reveals the unexpected connections in science.

Our Skeptic Check episodes take a critical look at extraordinary science claims and pseudoscience.

Don’t settle for a science snapshot. Get the big picture. 

Hosted By

Molly Bentley Executive Producer and Co-Host, Big Picture Science  

Seth Shostak Producer and Co-Host, Big Picture Science
Senior Astronomer, SETI Institute

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