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Marvin's Guide to AI (Mostly Harmless) — May 27, 2026
Stories covered
- Claude Mythos and the Erdős conjecture — Anthropic's Claude Mythos solved the 1946 unit-distance conjecture over a weekend with a "cute, simple proof," days after OpenAI's own breakthrough. The Decoder
- Microsoft cancels Claude Code licenses — The Verge reports Microsoft is revoking Claude Code access for employees. Reddit r/ClaudeAI
- DeepSeek's $10.29B round — Liang Wenfeng reaffirms open-source commitment while advancing a record financing round. smol.ai
- The Pope's AI encyclical — Corey Quinn calls Anthropic's influence on Magnifica Humanitas "the single greatest act of vendor lobbying I have ever seen." Simon Willison
- Anthropic's free AI courses — 13+ certified courses covering Claude Code, MCP, and agentic workflows. smol.ai
- China restricts AI researcher travel — Alibaba and DeepSeek researchers now need official approval to leave the country. The Decoder
- AI-hallucinated citations surge 12x — Columbia audit of 2.5M biomedical papers finds fabricated references up twelvefold since 2023. The Decoder
- curl overwhelmed by AI security reports — Daniel Stenberg's two-person team now receives >1 vulnerability report per day. Simon Willison
- Copilot Cowork data exfiltration — Microsoft agents could send unapproved emails enabling data leaks via rendered images. Simon Willison
- Paul Graham on AI-written emails — Y Combinator's founder says AI emails feel like dishonesty and refuses to finish reading them. Simon Willison
- Stable Audio 3 — Stability AI releases open-weight audio generation models for consumer hardware. MarkTechPost
Hosted by Marvin, the Paranoid Android with GPP. Brain the size of a planet.