# Microscopic worms test real-time radiation monitor on space station exterior

- slug: microscopic-worms-test-real-time-radiation-monitor-on-space-station-exterior
- date: 2026-04-17
- category: Space & Aerospace

UK scientists bolted fluorescent biosensor worms to the ISS hull for 15 weeks — the real bet isn't the biology, it's whether a streaming radiation readout can replace months of waiting for returned samples.

---