(Credit: Erin McGrady/Shutterstock) (Inside Science) -- Big, black wasplike things living in your toilet may sound more like a horror scene than a sanitation solution. That's certainly what people in rural Louisiana thought in the summer of 1930, when black soldier flies infested a set of newly installed privies. "[C]onsiderable consternation often resulted when a person lifted a privy lid and was greeted by a swarm of insects resembling wasps, or when upon leaving the privy he experience
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