Scientists Make Stunning Discovery That Could Change Our Understanding of the Universe
New research suggests the Universe's fundamental constants appear to sit within an incredibly narrow sweet spot that allows liquids to flow properly inside living cells.
Scientists at Queen Mary University of London have proposed a groundbreaking theory that links the deepest laws of physics to the very existence of life itself. Their research suggests that the Universe's fundamental constants exist within an extraordinarily narrow range that allows liquids to flow in ways that living cells depend on for survival. If these constants were even slightly different, water, blood, and other life-supporting fluids could behave so differently that complex organisms might never have emerged.
The study, published in Science Advances, builds on earlier work by physicist Kostya Trachenko and colleagues that established a connection between liquid viscosity and fundamental physical constants. The newer research extends this concept into biology, investigating whether the same physical rules that govern the cosmos may also determine whether cellular life can function. The team discovered that life processes depend critically on the flow properties of liquids at microscopic scales.
Life depends on constant movement at the cellular level, from nutrients traveling through cells to proteins folding correctly and molecules diffusing through watery environments. All of these processes rely on viscosity, the property that determines how easily a liquid flows. According to the researchers, the Universe appears to operate within a surprisingly narrow 'bio-friendly' window where viscosity and diffusion remain suitable for life as we know it.
Professor Kostya Trachenko explained the implications of their findings: 'Understanding how water flows in a cup turns out to be closely related to the grand challenge to figure out fundamental constants. Life processes in and between living cells require motion and it is viscosity that sets the properties of this motion. If fundamental constants change, viscosity would change too impacting life as we know it.' The consequences would extend far beyond drinking water, affecting human blood, cellular fluids, and the fundamental chemistry that powers biological systems.
The research adds a new dimension to the long-standing debate about cosmic fine-tuning. Physicists have previously noted that tiny differences in fundamental forces could prevent stars from forming the heavy elements needed for planets and life. This new work suggests that even if such elements formed, life might still be impossible if the physical properties of liquids fell outside the narrow range required for cellular function. The findings strengthen the idea that the Universe's laws may be more precisely calibrated for life than previously understood.