![]() ![]() ![]() They saw eating as a communal activity, which explained why they favored certain food sources and disfavored others. Despite the abundance of space, most mice were crowding selected areas and eating from the same food sources. Their population double every 55 days.īy the 315th day, Universe 25 contained 620 mice. During the first 104 days, the mice adjusted to their new surroundings, marked their territory and began nesting. With no plagues, no predators, and an unlimited supply of food and housing, the rodents would be as comfortable as they could possibly be. Four pairs of healthy mice would grow within a 2.7-square-meter, with four pens, 256 living compartments, and 16 burrows, all of which led to food and water supplies. In Universe 25, Calhoun carried out his ultimate research experiment with mice. Many people viewed the article as a warning of what could happen to the humans if populations continued to rise at their current rate. In this article, Calhoun coined the phrase “behavior sink” to describe the results of overpopulation in a rodent environment. In 1962, Scientific American published Calhoun’s observations from his research in an article called “Population Density and Social Pathology”. ![]() Their population would trail off and become extinct.The mice would be either hostile and form exclusive groups, or they’d be passive and anti-social.Eventually their population would cap out.The mice would breed in large quantities. ![]()
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