00:00Millions of infected formica ants face certain death climbing towering blades of grass.
00:06Why do these tiny insects abandon their colony at dusk to lock their jaws tightly in place?
00:12Most assume the ant simply freezes from cold night air, but a microscopic invader controls every muscle.
00:19A flatworm migrates into the ant brain, forcing the jaw muscles to lock down until grazing sheep swallow them whole.
00:27This exact biological hijack guarantees the parasite reaches its next host, meaning millions of infected formica ants face certain death
00:37climbing towering blades of grass.
