It was the late 1960s and early 70s when behavioural researcher John B. Calhoun conducted an experiment called Universe 25, where he created a utopian environment for mice, some think serves as a ...

S tanding before the Royal Society of Medicine in London on June 22, 1972, the ecologist-turned-psychologist John Bumpass Calhoun, director of the Laboratory of Brain Evolution and Behavior at the ...