PopSci - "#Nematodes form superorganisms to build bridges & hitch rides … put cheerleaders' pyramid-building skills to shame. … like a cohesive drop of wiggly gelatin. … On rotting apples & pears, they found dozens … #WormTowers strategically move towards any object that brushes by … fast enough to glom onto the leg of a passing insect. … The basic physics of how thousands of tiny, slimy bodies manage to form something so coordinated and solid remains unresolved"
https://www.popsci.com/environment/nematode-worm-towers/