(A) Maze channel design, (B) guiding electric stimulation, (C) punishing electric stimulation, and (D) punishing heat stimulation. The lower-right image is a thermal image of the maze surface. The ...

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The flattened bodies of cockroaches can get into places that no human can, without leaving a trace. They'll eat just about anything, and they're darn near indestructible. All these qualities make them ...