NATURA
- Aug 23
- 5 min read

Science of the Universe 25

This time,

I looked into the famous mouse experiment (Universe 25)✨✨.

In 1968, in the United States 🇺🇸, an experiment was conducted in a 2.7 x 2.7 space with 256 nest boxes, allowing entry and exit through 16 vertically extended tunnels and 4 vertical tunnels☀️☀️.

Initially, starting with 8 mice 🐀, they began to reproduce on the 104th day and increased to 620 by the 315th day. However, afterward, a strange phenomenon occurred where the mice split into two groups: one-third of the population was active while the other two-thirds did not work at all☀️☀️.

The inactive mice slept on the floor instead of in nest boxes and exhibited completely undisciplined behavior, not breeding or working, and spending each day lethargically✨✨.

The non-working mice began to be attacked by the hardworking ones, and the female mice ignored them. The working male mice became more aggressive, displaying hostile behavior, and the female mice, despite giving birth, also became more aggressive as the males did not protect them✨✨.

These aggressive mice were called “alpha males” and indiscriminately attacked surrounding mice. The female mice, even after giving birth, would quickly drive their young out of the nest, turning them into “neat” mice✨✨.

The neat mice, as they grew up, adopted a lifestyle of just eating and not working, and since they did not learn social behavior from their parents, they would stalk female mice during the mating season or try to mate with immature mice✨✨.

The mortality rate of immature mice exceeded 90%!

Most neat mice lived quietly, and eventually, no births occurred after 560 days, leading to a rapid decline in population and complete extinction after 920 days✨✨.

Currently, the world’s population has exceeded 8.5 billion, and it is said to increase to 9.7 billion by 2100. However, despite available space in rural and mountainous areas, population concentration in urban areas has led to a divide between the hardworking and the non-working, as well as those who do not have children, causing greater disparities.

It seems like our modern world resembles Universe 25, with further population decline and urban concentration expected in the future!!

Sadly, our world has become like this🥲🥲.

So, is there no solution?? 🤔🤔

I believe financial support to help people move away from urban areas is important. Providing a basic income of 70,000 yen per month to those who live in the countryside could encourage people to leave the cities✨✨.

Additionally, improving the economy requires raising the birth rate. Financial support, like guaranteeing monthly money for each child born and providing a basic income for childcare, is necessary✨✨.

To maintain the current standard of living in 2024, we need to have three times as many children. To improve the economy, we need to have 5 to 6 times more children!!

For the sake of future generations, we need to support environments where humans can live comfortably✨✨.

Furthermore, people living in urban areas experience a kind of mental poverty despite having many material possessions and peace. Many do not feel happiness in their lives✨✨.

In places like Africa and Latin America, people are said to be very happy despite poor security and poverty✨✨.

Even with little money, they live by farming, raising livestock, and helping each other✨✨.

Regions with many Catholics, like Latin America, have low suicide rates, but even countries with high happiness like Nepal 🇳🇵 have seen a decline due to increased debt from the spread of smartphones 📱.

What is true happiness?

We understand that life is not possible without money, but with a certain level of financial support, people can take on challenges, move to different places, and pursue their passions✨✨.

What do you think?✨✨

First, how do we provide financial support? Without strategies to prevent population concentration in urban areas, the global population decline might not stop!!

Thank you for reading✨✨.

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