July 1, 2026 • The U.S. generates 292 million tons of trash each year – and that trash has to go somewhere. Sometimes, that’s to an incinerator, where it’s burned and turned into electricity.

How senescing cells time their transition to the cell death programme is unclear. We show that, in Arabidopsis thaliana, senescing cells are genetically wired to dissipate their cytosolic arginine ...