The Dance of DNA and Water: It’s Not About Gravity

Prof. Dr. Kadir Demircan
3 days ago
4 min read

We have discovered something new in the magnificent dance between the DNA molecule and water. The next time you hear the word "DNA," don't just think of heredity; think also of water's smallest and most elegant pump—that phenomenal "Archimedes screw."

The Nanotechnological Discovery of Our Inner Molecular Dance

Let’s take a brief journey. About 2,000 years ago, when the ancient Greek scholar Archimedes invented a spiral pump that defied gravity to carry water upward, he knew he was laying one of the cornerstones of engineering history. Archimedes (287–212 BC) is one of the great mathematicians, physicists, engineers, and inventors of the ancient world. He explained the principle of the lever, introduced the Archimedes principle explaining why objects sink or float in water, and developed many mechanical devices.

One of his most famous inventions, the Archimedes screw, is a pump capable of moving water from a lower elevation to a higher one thanks to its rotating spiral structure. Developed approximately 2,200 years ago, this simple yet ingenious design is still used today in irrigation systems, wastewater treatment plants, and industrial applications.

However, what Archimedes could never have imagined is that this colossal mechanical principle would one day be resurrected on an unimaginably microscopic scale through the DNA molecule—the very building block of life. A recent study shared via bioRxiv and conducted by physicists at the University of Illinois Urbana-Champaign (UIUC) revealed that DNA is not just an information repository, but also holds the potential to be a phenomenal "nanopump." This discovery makes us rethink DNA's fascinating, almost dance-like relationship with water.

From Ancient Genius to the Nanoscale: What is the Archimedes Screw?

In its simplest form, the Archimedes screw consists of spiral blades wrapped around a central shaft placed inside a hollow cylinder. When this mechanism is rotated, it "scoops" water at the lower end and carries it upward—against the force of gravity. Used for thousands of years in irrigation and mining, this method is now being redefined at the frontiers of modern physics and biology by the helical structure of DNA.

In their high-resolution simulations, UIUC researchers proved that if a DNA molecule is placed inside a carbon nanotube, it can behave exactly like this ancient screw. What is astounding here is that DNA's famous double-helix structure, when subjected to a mechanical force, acts like "propeller blades," driving water and ions through the channel.

The Dance of DNA and Water: A Matter of Gradients, Not Gravity

While the macro world—our little globe of which we only comprehend about 3 to 5 percent—is defined by gravity and various laws of forces, the rules at the nanoscale are entirely different. In the world of Erwin Schrödinger, the Austrian physicist who passed away in 1961 and a founder of quantum mechanics, you might find that fire doesn't burn and water doesn't drown.

As the famous Turkish poet Cahit Sıtkı Tarancı wrote:

It turns out the sky has other colors too! Too late I realized that stone is hard. That water drowns, and fire burns! That every dawning day brings a new sorrow, One only understands upon reaching this age.

The rules of the nano world are different. Those who can alter or modify these rules can master matter and rewrite the rules of the game. Protein pumps that transport ions across cell membranes in our bodies typically operate via chemical reactions and electrical gradients. However, in this new study, scientists demonstrated how DNA directs water through a mechanical rotational force. Water can govern DNA, and DNA can govern water.

This nanoscale "dance" occurs not against gravity, but against a concentration gradient. In other words, the DNA helices achieve the seemingly impossible by pushing molecules from a less dense medium to a denser one. This interaction between DNA and water proves that nature's most complex molecule is not just a static code, but a dynamic and fluid marvel of engineering. As DNA moves in harmony with water molecules, it filters them through its helices to their destination.

Why is This Study So Important?

This discovery by physicists at the University of Illinois is not merely a matter of theoretical curiosity. This "nanoscale Archimedes screw" could revolutionize future technologies:

Lab-on-a-Chip Technologies: The precise transport of liquids and molecules on a tiny chip could lead to breakthroughs in medical diagnostics.
Purification of Biological Materials: Thanks to DNA pumps, separating, purifying, or concentrating biological materials at specific points could become much more efficient.
Molecular Transport Systems: It may become possible to pump drugs to targeted areas within the body with nanometer precision.
Imbuing Molecules with New Properties: Reminiscent of the alchemists, water, gold, and silver could acquire properties different from what we know. For instance, water alone might dissolve oil or clean rust—tasks we currently perform using harsh chemicals.

The Future Ahead

Isn't it fascinating to know that as DNA coils into helices within each of our cells, it is actually speaking the same language as an engineering genius from thousands of years ago? Of course, perfectly fitting a DNA double helix into a carbon nanotube and anchoring it there to operate still poses technical challenges to overcome in today's world. However, as the researchers point out, these findings are a giant leap toward the construction of molecular pumps made of DNA.

Archimedes' famous screw, which once elevated river waters, is now preparing for the scientific revolutions of the future by dancing with water within the twists of our genetic code.

Source Note: This article was compiled by the OSCARDIA SCIENCE team from simulation studies published by researchers at the University of Illinois Urbana-Champaign on bioRxiv on June 30, 2026, demonstrating that DNA can act like a nanoscale Archimedes screw.

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