# News & Ideas > The daily letter. Four news items and three ideas, with primary sources. This site is the archive. The same letter is the email. Contact: contact@newsideas.app Full text: https://newsideas.app/llms-full.txt ## Tracks - [AI & Tech](https://newsideas.app/ai-tech/): Models, chips, software, and the mathematics under them. - [Physics & Engineering](https://newsideas.app/physics-engineering/): Matter, forces, machines, and the materials they are made of. - [Biology & Nature](https://newsideas.app/biology-nature/): Living systems, Earth, and the science of life. - [Mind & Society](https://newsideas.app/mind-society/): How people think, learn, decide, and live together. ## Issues - [22 October 2026](https://newsideas.app/2026-10-22/): 4 Shorts in this issue. - [AI & Tech](https://newsideas.app/ai-tech/2026-10-22/): Claude's toxin binders, DeepInfer, TorchTPU, METR - [Physics & Engineering](https://newsideas.app/physics-engineering/2026-10-22/): Trapped antimatter, altermagnets - [Biology & Nature](https://newsideas.app/biology-nature/2026-10-22/): Lynx vs kites, laughing apes, CAR-NK cells - [Mind & Society](https://newsideas.app/mind-society/2026-10-22/): The fog of war, a testosterone retest, focal points - [21 October 2026](https://newsideas.app/2026-10-21/): A superconductor clue, a green Greenland, seahorse dads, first impressions. Then text drawn coarse to fine, the genetic code and the forgetting curve. - [Biology & Nature](https://newsideas.app/biology-nature/2026-10-21/): A superconductor clue, ice-free Greenland, next-concept AI - [20 October 2026](https://newsideas.app/2026-10-20/): AI and the Riemann zeros, a leaky core, a cosmic hamburger, faster trees. Then mirror molecules, momentum and Hume. - [Physics & Engineering](https://newsideas.app/physics-engineering/2026-10-20/): AI's quasi-Riemann proof, Earth's leaky core, chirality and Hume - [19 October 2026](https://newsideas.app/2026-10-19/): Quantum errors, a chemistry Nobel, fungi that trade, AI benchmarks. Then Newton, superposition and retrieval practice. - [Physics & Engineering](https://newsideas.app/physics-engineering/2026-10-19/): Google Willow, Chemistry Nobel, Newton, retrieval practice ## Optional - [Full text of every issue](https://newsideas.app/llms-full.txt) - [RSS](https://newsideas.app/rss.xml) - [Privacy](https://newsideas.app/privacy/) - [Terms](https://newsideas.app/terms/)