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Scientists Discover Way to Send Information into Black Holes Without Using Energy

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Scientists Just Discovered Why Life Exists In The Universe And It Changes Everything

Scientists have uncovered a fascinating clue about why life exists at all—and it points to something far deeper than biology. A new study suggests that the Universe itself may be finely balanced in a way that allows life to function, right down to the way liquids move inside our cells. Even the smallest change in nature’s fundamental rules could make life impossible.

Researchers at Queen Mary University of London have proposed a bold idea: the basic constants that govern the Universe—numbers like the charge of an electron or the value of Planck constant—sit within an incredibly narrow “sweet spot.” This range allows liquids such as water and blood to flow in ways that living systems depend on. If those constants were slightly different, life as we know it might never have emerged.

Their work, published in Science Advances in 2023, connects the deepest laws of physics with the basic processes that keep cells alive. It suggests that the Universe is not just suitable for life in a broad sense—but also precisely tuned at the microscopic level.

Why Liquid Flow Is Essential for Life

At first glance, the ability of liquids to flow might seem like a simple property. But inside living organisms, it is absolutely critical. Every cell depends on movement.

Nutrients must travel through watery environments. Proteins need to fold into precise shapes. Molecules constantly diffuse from one place to another. All of this depends on a property called viscosity, which describes how easily a liquid flows.

If viscosity is too high, liquids become thick and sluggish, like honey or tar. If it is too low, they become too runny to support stable biological processes. Life requires a very specific balance.

According to physicist Kostya Trachenko and his team, the Universe appears to operate within a narrow “bio-friendly” window where viscosity and molecular motion are just right. Even a small shift in fundamental constants—by only a few percent—could disrupt this balance.

Imagine water becoming as thick as syrup or as thin as gas. In either case, cells would struggle to function. Blood circulation, chemical reactions, and even the structure of proteins could fail.

Linking Physics to Biology

The idea behind this research builds on earlier work showing that viscosity is not just a random property—it is connected to the fundamental laws of physics. In particular, scientists have found that there is a lower limit to how “runny” a liquid can be, and that limit depends on constants that define the Universe itself.

This new study takes the concept further. Instead of focusing only on physical systems, it asks a deeper question: could these same laws determine whether life is even possible?

The answer appears to be yes.

If the constants of nature were slightly different, liquids essential to life—like water, blood, and cellular fluids—could behave in radically different ways. Cells rely on a delicate balance of diffusion and motion, and even minor changes could make these processes too slow or too chaotic.

In simple terms, life does not just depend on having the right ingredients. It also depends on those ingredients behaving in the right way—and that behavior is controlled by the fundamental rules of the Universe.

A New Perspective on Fine-Tuning

For decades, scientists have debated the idea of “fine-tuning” in the Universe. This concept suggests that the constants of nature are set in a way that allows stars, planets, and complex chemistry to exist.

For example, if the strength of fundamental forces were slightly different, stars might not produce the heavy elements needed for life. Without those elements, planets—and living organisms—could never form.

What makes this new research different is that it shifts the focus from cosmic scales to microscopic ones.

Instead of asking whether stars can form, it asks whether cells can function.

This introduces a second layer of fine-tuning. Even if the Universe could still create matter and planets, life might remain impossible if liquids could not flow properly inside organisms.

It is a striking idea: the same constants that shape galaxies may also determine whether your cells can transport nutrients or your blood can circulate.

How Small Changes Could Have Big Consequences

The study highlights just how sensitive life is to changes in fundamental constants.

A slight increase in viscosity could make cellular fluids too thick, slowing down essential processes. A decrease could make them too thin, disrupting stability. In the human body, even small changes in blood viscosity can have serious effects.

Now imagine those changes happening at a universal level.

If constants like the Planck constant or electron charge shifted even slightly, the entire behavior of liquids could change. This would affect not just water, but all liquid-based systems—including those inside living cells.

According to the researchers, both increases and decreases in these constants could be equally harmful. The “safe zone” for life appears to be very narrow.

Expanding the Idea Through Further Research

Since the publication of this study, scientists have continued to explore the connection between fluid behavior and fundamental physics.

Some research has focused on how diffusion and viscosity affect tiny biological machines inside cells, such as molecular motors. These systems rely on precise physical conditions to function properly.

Other studies have examined whether viscosity itself is governed by universal limits, rather than being just a property measured in experiments. This suggests that the behavior of liquids may be deeply rooted in the laws of nature.

Together, these efforts are reshaping how scientists think about one of the biggest mysteries in science: why the Universe has the properties it does.

Could Physics and Life Be More Deeply Connected?

The idea that life depends on fundamental constants is not entirely new—but this research adds an unexpected twist.

It suggests that the connection between physics and biology may be much stronger than previously thought.

Instead of viewing life as something that simply emerged under the right conditions, scientists are beginning to see it as something that depends on a precise set of physical rules. These rules not only allow matter to exist, but also enable the complex processes that make life possible.

Of course, the theory is still highly speculative. There is no universally accepted explanation for why the constants of nature have their current values. Some scientists point to chance, others to deeper physical laws, and some to the idea of multiple universes with different properties.

But this research opens a new path for exploration.

A Universe Built for Flow

In the end, one of the most remarkable insights from this study is how something as simple as liquid flow could be tied to the deepest structure of reality.

We often think about the Universe in terms of stars, galaxies, and black holes. But this work reminds us that the same laws also govern the tiny, invisible processes inside our cells.

The ability of liquids to flow—something we experience every day—may be one of the key reasons life exists at all.

It is a powerful reminder that the Universe is not just vast and complex, but also delicately balanced. And within that balance lies the possibility of life.

Reference:

  1. Kostya Trachenko. Constraints on fundamental physical constants from bio-friendly viscosity and diffusion. Science Advances, 2023; 9 (34) DOI: 10.1126/sciadv.adh9024

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