Leaf-cutter ants rely on their razor sharp mandibles to snip leaves to pieces. (The ants don't consume the leaves; they use the foliage as the base for fungi farming.) Just like knives, over time ant mandibles get duller. What happens to these aging ants when they can't cut it?
Produced by Annette Heist, Senior Producer
Produced by Flora Lichtman, Correspondent and Managing Editor, Video