Universe 25: John Calhoun’s NIMH Experiment | Encyclopaedia Brittanica

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25: John Calhoun’s NIMH – 1983 | Encyclopaedia Brittanica

Leading up to 1972, conducted a series of experiments under the guidance of the National Institute of Mental Health (NIMH).

The ‘ 25’ is one of the most terrifying experiments in the history of , which, through the behaviour of a colony of mice, is an attempt by scientists to explain human societies. In these experiments Calhoun observed rats and mice populations coping with various living situations and environments. These experiments culminated in 25; a mouse utopia which lasted 600 days and ended in the extinction of all inhabitants.

The idea of ‘ 25’ came from the American scientist John Calhoun, who created an “ideal world” in which hundreds of mice would live and reproduce. More specifically, Calhoun built the so-called “Paradise of Mice”, a specially designed space where rodents had Abundance of food and water, as well as a large living space. 

“Tolerance and apathy are the last virtues of a dying society.”

Aristotle

In the beginning, he placed four pairs of mice that in a short time began to reproduce, resulting in their population growing rapidly. However, after 315 days their reproduction began to decrease significantly. When the number of rodents reached 600, a hierarchy was formed between them and then the so-called “wretches” appeared. 

The larger rodents began to attack the group, with the result that many males begin to “collapse” psychologically. As a result, the females did not protect themselves and in turn became aggressive towards their young. As time went on, the females showed more and more aggressive behavior, isolation elements and lack of reproductive mood. There was a low birth rate and, at the same time, an increase in mortality in younger rodents. 

Then, a new class of male rodents appeared, the so-called “beautiful mice”. They refused to mate with the females or to “fight” for their space. All they cared about was food and sleep. At one point, “beautiful males” and “isolated females” made up the majority of the population. 

‘Paradise of Mice’ or not as the case may be.

According to Calhoun, the death phase consisted of two stages: the “first death” and “second death.” The former was characterised by the loss of purpose in life beyond mere existence — no desire to mate, raise young or establish a role within society. 

As time went on, juvenile mortality reached 100% and reproduction reached zero. Among the endangered mice, homosexuality was observed and, at the same time, cannibalism increased, despite the fact that there was plenty of food. 

Two years after the start of the , the last baby of the colony was born. By 1973, he had killed the last mouse in the 25. 

John Calhoun repeated the same 25 more times, and each time the result was the same.

Calhoun’s scientific work has been used as a model for interpreting social collapse, and his research serves as a focal point for the study of urban sociology. 

We are currently witnessing direct parallels in today’s society… 

Weak, feminized men with little to no skills and no protection instincts, and overly agitated and aggressive females with no maternal instincts.

Sources and links

Source: The Behavioral Sink

Source: John B. Calhoun

Source: Behavioral sink

Source: The Universe 25 Experiment

Source: https://t.me/thevoiduk/14715 – The Crowhouse Telegram

Source: Universe 25- John Calhoun’s NIMH experiment – YouTube

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