The closest thing to utopia the world has ever seen might have existed in a Maryland barn for a couple of years during the late 1960s: a complex built for rodents as part of a science experiment.

In the 1960s and 70s, the American ethologist and behavioural researcher John B. Calhoun conducted an experiment with mice to ...

People predicting the end of world generally make those predictions without scientific evidence to support them. So when an animal-behavior researcher ran experiments in the 1960s that described ...

The understanding of John B. Calhoun’s research that circulated in the 1960s and ... Calhoun’s project is often framed as an experiment in utopia building, something like a generous welfare state—one ...

These were all part of John Calhoun’s experiments to study the ... Eventually, several factors combined to doom the experiment. The beautiful ones’ chaste behavior lowered the birth rate.

The problem was overpopulation; the diagnostician was John B. Calhoun, a pioneering student of animal behavior and ecology and the subject of Lee Alan Dugatkin’s well-turned biography “Dr ...

Phase B, which Calhoun named the resource ... By 1973, he had killed the last mouse in the Universe 25. John Calhoun repeated the same experiment 25 more times, and each time the result was ...