Hi steemians,
I wanted to share with you an experiment that was very interesting to me. Experiment's name is "Universe 25".
Why 25? Because animal behaviorist John Calhoun applied the same experiment 25 times, changing some points. And In the 25. trial, he created the most perfect universe for mice with beautiful buildings and limitless food and then he introduced eight mice to the population. Two years later, the mice had created their own apocalypse.
The reasons are down here.
The God of The Rats is Observing in His Own Universe.
Universe 25 was a giant box designed to be a rodent utopia. The trouble was, this utopia did not have a benevolent creator. John B. Calhoun had designed quite a few mouse environments before he got to the 25th one, and didn't expect to be watching a happy story. Divided into "main squares" and then subdivided into levels, with ramps going up to "apartments," the place looked great, and was always kept stocked with food, but its inhabitants were doomed from the get-go.
Universe of Mice
Universe 25 started out with eight mice, four males and four females. By day 560, the mouse population reached 2,200, and then steadily declined back down to unrecoverable extinction. At the peak population, most mice spent every living second in the company of hundreds of other mice. They gathered in the main squares, waiting to be fed and occasionally attacking each other. Few females carried pregnancies to term, and the ones that did seemed to simply forget about their babies. They'd move half their litter away from danger and forget the rest. Sometimes they'd drop and abandon a baby while they were carrying it.
The few secluded spaces housed a population Calhoun called, "the beautiful ones." Generally guarded by one male, the females—- and few males — inside the space didn't breed or fight or do anything but eat and groom and sleep. When the population started declining the beautiful ones were spared from violence and death, but had completely lost touch with social behaviors, including having sex or caring for their young.
In 1972, with the baby boomers coming of age in a ever-more-crowded world and reports of riots in the cities, Universe 25 looked like a Malthusian nightmare. It even acquired its own catchy name, "The Behavioral Sink." If starvation didn't kill everyone, people would destroy themselves. The best option was to flee to the country or the suburbs, where people had space and life was peaceful and natural.
Today, the experiment remains frightening, but the nature of the fear has changed. A recent study pointed out that Universe 25 was not, if looked at as a whole, too overcrowded. Pens, or "apartments" at the very end of each hallway had only one entrance and exit, making them easy to guard. This allowed more aggressive territorial males to limit the number mice in that pen, overcrowding the rest of the world, while isolating the few "beautiful ones" who lived there from normal society. Instead of a population problem, one could argue that Universe 25 had a fair distribution problem.
The fact remains that it had a problem, and one that eventually led to its destruction. If this behavior is shared by both mice and humans, can we escape Universe 25's fate?
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