They store grains for long periods in winter and if the grain begins to bud, they cut the roots. If the grains stored by them get wet due to rains, they take these grains out into the sunlight to dry and once these are dry, they take them back inside.
C.P. Haskins in “The Ants and Her World” writes: “In fact ants are little chemical factories continuously producing an array of substance called pheromones, that serves the ant language. Through these pheromones the ants convey messages ranging from location of food to the presence of danger”!
Very interesting creature indeed. :)