Researchers have crossed a threshold that once belonged squarely to science fiction: they have built working models of brains, both in silicon and in living tissue, that can learn, adapt, and even ...

Physics dazzled Miles Cranmer from an early age. His grandfather, a physics professor at the University of Toronto, gave him books on the subject, and his parents took him to open houses at ...

An artificial intelligence safety firm has found that OpenAI's o3 and o4-mini models sometimes refuse to shut down, and will sabotage computer scripts in order to keep working on tasks. When you ...