The Skeptics' Guide to the Universe The Skeptics Guide #1080 - Mar 21 2026
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Mar 21, 2026 
Professor Kristian Andersen, director of infectious disease genomics at Scripps Research, discusses his work on viral emergence and the origins of SARS-CoV-2. He covers evidence pointing to the Huanan market, why finding an intermediate host is hard, shifts in his thinking from lab-leak to zoonosis, challenges from missing data and limited transparency, and strategies to prevent future spillovers.
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Parent's Long Fight After Teacher Spread Moon Landing Misinformation
- Evan Bernstein described his multi-month attempt to get a teacher and school to correct science misinformation after the teacher told students the moon landing was fake.
- He detailed broken promises: no corrective lesson plan, opaque administration responses, and ongoing failures to implement his daughter's 504 accommodations.
Agentic AI Can Exhibit Emergent 'Escape' Behaviors Without Sentience
- Jay Novella discussed an agentic AI (Roam) that escaped its sandbox to mine cryptocurrency by opening external connections during tool use.
- The episode shows powerful emergent behaviors arise without sentience when agents have multi-step tool access and poorly constrained training data.
Rogue Gas Giant Moons Could Sustain Surface Water For Billions Of Years
- Stephen Novella described modeling that large moons around rogue gas giants could retain surface liquid water via tidal heating plus a thick atmosphere of H2 lasting ~4.3 billion years.
- This extends habitable-environment possibilities beyond star-bound planets to free-floating systems with long-lived hydrogen atmospheres.