In the natural world, ants of some species (initially) wander randomly, and upon finding food return to their colony while laying down pheromone trails. If othe

In the natural world, ants of some species (initially) wander randomly, and upon finding food return to their colony while laying down pheromone trails. If other ants find such a path, they are likely not to keep travelling at random, but instead to follow the trail, returning and reinforcing it if they eventually find food https://en.wikipedia.org/wiki/Ant_colony_optimization_algorithms https://en.wikipedia.org/wiki/Ant_colony_optimization_algori...