An escape signal for the nematode: Artificial intelligence helps elucidate structure of a novel light sensor

In a compost heap, the nematode Caenorhabditis elegans finds a richly laid table: at a length of just one millimeter, the worm feeds on bacteria that decompose organic material. It is essential that the animal avoids sunlight—and not just to ensure its body remains at an optimal temperature and does not dry out.