The Skeptics' Guide to the Universe

The Skeptics Guide #1073 - Jan 31 2026

Jan 31, 2026
They discuss Artemis mission prep and astronaut quarantine timelines. A 165-year fossil mystery may be solved with a new extinct eukaryotic lineage. The lasting value of Wikipedia and how volunteer editing shapes knowledge. Research shows ideological bias can steer statistical choices. Debate over expanding habitable zones for tidally locked planets. Fun segments include a noisy sourdough starter and science-or-fiction puzzles.
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ADVICE

Get Specialist Dental Care Early

  • See an endodontist (root-canal specialist) for complex root infections and repeat problems after dental work.
  • Get CT imaging and specialist care early to avoid bone loss and possible tooth extraction.
ANECDOTE

Silent Infection Ate Bone Near Sinus

  • Stephen Novella described a crown leak causing an indolent infection that eroded bone toward his sinus.
  • His endodontist showed CT images and explained bone can regrow after proper treatment.
INSIGHT

Moon Missions Require Years Of Rehearsal

  • Astronauts train years: ~2 years basic astronaut training plus 2–4 years mission-specific prep.
  • Mission simulations run end-to-end dozens of times to build team rhythm and trust with flight controllers.
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