There's an arms race going on right now between two species of invading ants, the tawny crazy ant and the fire ant. These arch-rivals are currently warring for dominance in the southern U.S., but it now appears the crazies are going to win — the result of a remarkable chemical defensive measure.
Fire Ants, those scorching stinging insects, have a strange attraction to technology but no one really knows why. From tearing up wires and creating short circuits, fire ants just love to destroy technology. Watch them in action in this video from BBC Earth.
One ant sinks in water, but a bunch of them? It turns out they can link together and become an unsinkable life raft. New research shows that when fire-ants are dropped in water, they quickly form a pancake-shaped floating mass, which traps air beneath them.