Smokers who want to quit are most likely to succeed when they use nicotine e-cigarettes, according to a new Cochrane review. For someone trying to leave cigarettes behind, the method they choose can make a measurable difference. An updated Cochrane review finds that nicotine e-cigarettes help more people stop smoking than several widely used approaches, [...]

Nature, Published online: 08 July 2026; doi:10.1038/s41586-026-10759-2

By integrating reinforcement learning with quantum error correction, a quantum computer continuously self-calibrates during computation, achieving record logical error rates and enhanced resilience to drift.