Confronting doom — Former OpenAI researcher once predicted a 50 percent chance of AI killing all of us. The US AI Safety Institute—part of the National Institute of Standards and Technology (NIST)—has finally announced its leadership team after much speculation. Appointed as head of AI safety is Paul Christiano, a former OpenAI researcher who pioneered a foundational AI safety technique called reinforcement learning from human feedback (RLHF), but is also known for predicting that "there's a ...