In 1968, John Calhoun created the perfect home for eight mice. The colony grew to more than 2,200 before it slowly vanished | World News
In a laboratory in Maryland during the late 1960s, a small group of mice entered what looked, at least on paper, like an ideal home. There was no shortage of food, clean water arrived without fail, temperatures barely changed and disease had largely been removed from the picture. Every practical need had been anticipated. If…