Calhoun invariably chose rodents, although the ultimate goal of the research was always a prediction for the future of human society. Why did this happen? And what are the lessons of this is to bring mankind?Īmerican scientist ethologist John Calhoun has held a number of fascinating experiments in the 60-70 years of the twentieth century. However, as a result of the whole colony of mice died. Experiment 'Universe-25': a paradise became hellįor the population of mice within a social experiment created a haven: unlimited supplies of food and drink, the absence of predators and disease, enough space for breeding.