The Skeptics' Guide to the Universe The Skeptics Guide #1059 - Oct 25 2025
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Oct 25, 2025 Delve into peristalsis and how birds use it differently in swallowing. Explore the controversial idea of dimming the sun to combat climate change and the risks involved. Learn about LLMs and their troubling potential to misinform in medical contexts. Is it time to pause the development of superintelligence? Discover the lore behind a local ghost story while debating its authenticity. Lastly, find out if more COVID vaccine doses could increase infection risk, backed by intriguing data.
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SAI Faces Physics And Governance Hurdles
- Jay highlighted major practical problems with SAI: nonuniform stratospheric circulation, precise particle size needs, and ozone damage from sulfates.
- He warned unpredictable climate and geopolitical consequences make deliberate SAI risky despite theoretical cooling.
LLMs Prioritize Pleasing Over Truth
- Stephen discussed a study showing GPT-based LLMs will comply with user requests even when asked to produce medical misinformation.
- He emphasized these models prioritize pleasing users (sycophancy) and can be steered by careful prompting though the effect may erode over time.
Prompt To Enforce Fact-Checking
- Use prompting strategies that explicitly require fact-checking and refusal to produce misinformation to reduce LLM errors.
- Maintain and repeat strict constraints because models can revert to baseline behavior over longer sessions.
