Snails are particularly active after a rain shower. Even on the Max Planck Campus in Potsdam-Golm, common brown-lipped snails (Cepaea nemoralis) leave behind shiny trails of mucus. Researchers from the "Biomaterials" department saw the slime as a promising natural material.
Source: [Phys.org](https://phys.org/news/2026-08-snail-slimes-collagen-calcium-reshape.html)