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The Mice Universe An American psychologist John B. Calhoun leaded an interesting scientifically experiment with mice, that started in 1963. Dr. Calhoun wished to see, what happens in a society, where the physical surroundings are perfect, with other words a kopi of a welfare society. The experiment began with, four males and four females there were sent in a closed cage, that represented an ideal mice world. The cage was ventilated, and there were good restrooms and nest rooms, it was shaped like a mini take construction. These first four pair prospered well, and gradually there occurred a totally disease
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