NYT > World News A.I. Queries From Abroad Raise Fears of a Biological Weapons Race Par : Carl Zimmer 14 septembre 2026 à 15:36 Today’s chatbots aren’t likely to help lone actors invent a deadly pathogen, experts say. But newer models, trained in biology, may need stronger safeguards. © Gianluca Panella/Getty ImagesThe threat of biological weapons has hung over the world for decades now.