(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 ...

German cockroaches evolve quickly. Here’s how our baits have affected their sex lives. Humans have long used sugary bait in insecticides to attract and kill German cockroaches. But these household ...