At the heart of today’s artificial-intelligence models are vast bodies of training data — text, videos and images created by real people and used to teach models how to recognize patterns and generate ...

Decades of climate research and data have yielded expanded understanding of how greenhouse gases affect the climate. This fast-track study will review the latest scientific evidence on whether ...

Laughter is often perceived as a simple emotional reflex. However, some scientific research suggests that it may also have a ...