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When political laboratory-like experiments produce disasters

John B. Calhoun’s laboratory experiments, conducted at the National Institute of Mental Health and summarized in 1962 in the Scientific American, are a textbook example of how to induce disastrous behavior in a given population. Calhoun isolated rats in a closed place, protecting them from disease and predators, and fed them. The rats bred rapidly, but Calhoun did not increase the rats’ living space. The […]

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