21/06/2026
Researchers have found what they call a universal rule of life that seems to operate across many forms of living systems, from single-celled microbes to plants and animals like humans. Instead of life being a random mix of complex systems, the rule suggests that living things follow predictable patterns in how they use energy, grow, reproduce and age. This pattern seems to emerge regardless of how different organisms look or behave. Life forms that use energy more efficiently and maintain strong internal balance tend to grow and live longer, while those that burn energy fast often age more quickly. This rule links many biological traits to simple mathematical relationships that hold true across species separated by millions of years of evolution.
To uncover this rule, scientists analysed huge datasets on growth rates, metabolism and lifespans from thousands of species. They looked for patterns between how fast organisms convert energy into life processes and how long they live or reproduce. From tiny bacteria in a lab to large mammals in the wild, the same underlying rule seemed to apply. The finding supports a growing idea that life is shaped more by physical and chemical limits than by random chance. In other words, life may follow a universal script pushed by energy flow and survival needs.
The new rule does not tell us everything about life’s complexity, but it gives a fresh framework for understanding why some organisms age faster, why others live longer, and how evolution has shaped life around basic energy economics. This could help scientists in fields from ecology and evolution to medicine and aging research.
Research Paper 📄
DOI: 10.1038/s41559-025-02724-5
