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The Universe 25 experiment (1958–1962) remains one of the most haunting reflections of what happens when abundance meets social collapse.

American ethologist John B. Calhoun created a so-called “Mouse Paradise” — a habitat with unlimited food, water, and shelter — to study the behavioral effects of overpopulation. At first, the mice thrived.
They ate, bred, and lived without fear. But once the population reached around 600, something dark emerged.

Social hierarchies formed. The strong dominated resources. Mothers abandoned or even attacked their young. Males lost interest in mating or became violently territorial. Eventually, reproduction ceased altogether. The colony descended into cannibalism, isolation, and apathy, until it died out completely — despite everything they needed to survive being right in front of them.

Calhoun repeated the experiment 25 times, each with the same grim outcome.
His conclusion was chilling: when a society loses purpose, cooperation, and social structure — even in abundance — it collapses from within.

Today, Universe 25 stands as a stark warning about the balance between comfort, connection, and survival — a reminder that thriving requires more than just having enough to live. It requires meaning.
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>>16833672
>to study the behavioral effects of overpopulation.

The result of the experiment is due to overpopulation, not about a lack of meaning or purpose. Every time the experiment reached 600 mice, shit started to go sideways. The problem is that the mice kept reproducing, not that they had unlimited resources.

Humans do the same thing. Humans keep reproducing in an area until it reaches a tipping point for that area, and then people start acting overly competitive and crazy. Every town, city, state, province, etc... has a limit for that area where people will still act relatively normal.
>>
There is no evidence those experiments ever took place, the author is the only witness. Belief in the reported results relies entirely on confirmation bias, if you want to see yourself as the victim of an overpopulate or otherwise degraded society then the results will ring true to you. If you have power fantasies about how you want to fix society ("fixing" it in this case is always a self serving end) then you're likely to find something in the fake results that suits your need for proof of the necessity of your desired fix.
But theres no evidence the experiments ever took place and all efforts to replicate them have not turned up the same results.
Why not?
Because the initially reported results were fake. Just another sleazy lying scientist hoping to get fame and money by lying about scientific results.
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>>16833742
Interesting, I had never heard about this. If you think about it makes sense because mice don't need purpose or anything it is their nature to reproduce. If they still have food they will keep reproducing, that's all.

Also, humans are much more intelligent and if they see an area is overpopulated and that is creating problems, then they will try go to another are or spread more through the land and not concentrate too much. I know this is not what we are seeing today but it will happen in the future when living in the cities is completely impossible.
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They ran out of living space.
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>>16833742
>>16833672
>>16833696

https://www.youtube.com/watch?v=iOFveSUmh9U
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>>16833672
What about their urine and feces? In nature, or the wild, mice aren't exposed to their waste products.
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>>16833672
I read the actual published paper years ago and my only take away was
>this nigger set out to prove a specific outcome tied to his political beliefs about humans, and then just straight up repeated and adjusted and reinterpreted the experiment until he achieved the result that could fit his preconceived notions. And then he just provides a brief summary, 50% of which is his political treatise, with no concrete specifics given on the experiment and it's conditions for any reproducibility. This is kinda extremely sus.

>Calhoun repeated the experiment 25 times, each with the same grim outcome.
This part is straight up wrong. The preceding 25 experiments had mice died out to infant mortality (no other details given) without achieving any state that could be used "as a stark warning". And later even Calhoun himself did not manage to repeat the U25 outcome, which makes the whole thing questionable.
The article is easy to find, the doi is 10.1038/scientificamerican0262-139
Why are you making shit up?
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>>16833672
>utopia
>Not a single running wheel or anything objectively enjoyable for rats provided
It really sold films like The Secret of Nihm, like many Rockefeller Foundation scams.
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>>16833814
They had plenty of space though. As time went on, they gathered more and more into certain corners of the enclosure and left much of it unused.
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>>16833672
That’s pretty interesting
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>>16837266
its completely fictional
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>>16835032
Rockefellers funded LGbt paedophile supporter Alfred Kinsey and eugenics, feminism and population control.
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>>16837585
they also invented and shilled the global warming meme
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>>16833696
>Humans do the same thing
Nope. People reproduce less now than ever, and urban people have significantly fewer kids than rural people
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>>16833756
>then they will try go to another are or spread more through the land and not concentrate too much
You dumb fucking nigg-
>I know this is not what we are seeing today but it will happen in the future when living in the cities is completely impossible.
Oh. Well I disagree but we shall see.



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