Artificial intelligence (AI) researchers strive to advance machine intelligence by applying theories and concepts of human intelligence for learning, motivation, memory, reasoning, and more. There are ...

The idea of reinforcement learning—or learning based on reward—has been around for so long it’s easy to forget we don’t really know how it works. If DeepMind’s new bombshell paper in Nature is any ...

The attractiveness of a reward decreases with delay — a phenomenon known as temporal discounting. Humans and other animals typically devalue short-term rewards more steeply than those further in the ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...