> In 2016, researchers installed a wooden boardwalk (below) in the bunker, connecting the ventilation pipe to the ground. Within four months, nearly all the tra

> In 2016, researchers installed a wooden boardwalk (below) in the bunker, connecting the ventilation pipe to the ground. Within four months, nearly all the trapped ants had deserted the bunker floor. It sort of feels like the ruined a good experiment.