Scientists have long explored the idea of using insects as our agents in the field in places where humans won’t fit or survive. Imagine a cockroach in an earthquake zone, able to skitter into the rubble to map out exactly where human chemical signatures can be found, or a grasshopper leaping through a minefield to bring back a map of the bombs based on the vapors it encountered.
Locusts get a sensory assist from nanomaterials—helping them detect more chemicals
