🧬 SCIENCE JUST CROSSED A LINE THAT ONCE SEEMED IMPOSSIBLE For the first time, scientists have built a cell-like system from nonliving chemical components that can grow, replicate DNA, divide into daughter cells, and even compete with genetically different siblings across generations. Researchers at the University of Minnesota created SpudCell from roughly 150–200 known molecules, assembling its components inside a cell-like membrane. The most surprising breakthrough was figuring out how to make it divide. Instead of relying on the internal scaffolding used by ordinary cells, the team used protein tags attached directly to the membrane to trigger the physical separation of the cell. Then something even more remarkable happened. When researchers introduced a genetic change that increased production of a growth-related protein, those modified cells grew faster and eventually outcompeted their unmodified siblings. That is essentially the raw mechanism behind natural selection: variants that reproduce more successfully become more common. But there is a crucial catch. SpudCell is not considered alive. It depends on constant external feeding and requires components such as ribosomes to function. It cannot independently sustain itself or reproduce outside the specially prepared laboratory environment. So scientists haven't created an independent artificial life-form. They may have demonstrated something more fundamental: that several behaviors we associate with life—growth, replication, division and competition—can emerge from carefully assembled chemistry. And that raises one of biology's deepest questions: If chemistry can be engineered to behave increasingly like a living cell, where exactly does chemistry end—and life begin? Source: University of Minnesota; Kata Adamala and colleagues, July 2026.