Leading AI chatbots have spooked experts by spitting out detailed instructions on how to build biological weapons capable of causing mass casualties , according to an alarming report Wednesday. While top AI labs like Google, OpenAI and Anthropic have taken extensive steps to ensure their AI models are safe, the New York Times obtained more than a dozen transcripts showing examples in which chatbots described how to cause harm and death in painstaking detail. In one instance, an unnamed AI firm