Imagine a war zone where swarms of cockroaches equipped with miniature backpacks sneak across front lines to spy on enemies. It might sound like a scene from a horror movie, but experiments to accomplish exactly that are underway.

Imagine a war zone where swarms of cockroaches equipped with miniature backpacks sneak across front lines to spy on enemies. It might sound like a scene from a horror movie, but experiments to accomplish exactly that are underway.