291: DTF:HN for October 18, 2026

Your Daily Tech Feed covering the top 10 stories on Hacker News for October 18, 2026. Featuring: DeepSeek search and fetch – $0.75 per 1000 successful requests, Show HN: Sphinx – A hook that quizzes you on your AI's code before shipping, How the Elizabeth Holmes documentary “You Can See Everything” is deceiving, Parser Combinators, Bleached corals thrive within days when touching healthy neighbour, and more.

Stories covered:

1. DeepSeek search and fetch – $0.75 per 1000 successful requests
   (Article | HN Discussion | 🎧 0:32)
2. Show HN: Sphinx – A hook that quizzes you on your AI's code before shipping
   (Article | HN Discussion | 🎧 3:49)
3. How the Elizabeth Holmes documentary “You Can See Everything” is deceiving
   (Article | HN Discussion | 🎧 6:57)
4. Parser Combinators
   (Article | HN Discussion | 🎧 10:01)
5. Bleached corals thrive within days when touching healthy neighbour
   (Article | HN Discussion | 🎧 13:08)
6. Teal – A statically-typed dialect of Lua
   (Article | HN Discussion | 🎧 16:20)
7. Lean now ships with verified kernels
   (Article | HN Discussion | 🎧 19:38)
8. It's time to talk about TEEs
   (Article | HN Discussion | 🎧 23:12)
9. Dam removals are bringing fish back across the northeastern United States
   (Article | HN Discussion | 🎧 26:24)
10. Pele – Mermaid diagrams as themeable SVG
    (Article | HN Discussion | 🎧 29:44)