The Horrifying Study That Predicted Human Extinction

“Universe 25” was a study carried out from 1954 to 1972 by John B. Calhoun, an American ethologist and behavioral researcher who claimed bleak effects of overpopulation on rodents were a grim model for the future of the human race.

Working with NIMH ( National Institute of Mental Health ), Calhoun created the perfect Mouse Universe to conduct his study. What looked like a rat utopia and mouse paradise — unlimited food and water, multiple levels and private nesting areas— quickly spiraled into turbulent congestion that lead to a population subside followed by disturbing and pathological behaviors of the members.

Calhoun spent years perfecting his methods and repeated his experiment 25 times — hence “Universe 25″ — in different scales and noted ominously identical results every time.

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