🪱 Darwin's Worm Stone: How Earthworm Casts Bury a Roman Pavement

Earthworms bring soil up and leave it as casts, so a tile pavement on the grass sinks under dark mould at a few millimetres a year. A cutaway shows worms and casts while a Q10 temperature factor, a moisture window and a food-limited population set the burial rate.

3D · Three.js / WebGL renderer · 60 FPS target · runs fully client-side, no install