Trees evoke a lot of emotion. For some residents, a particular oak, eucalyptus, or stone pine becomes their tree — a calming presence of bark and green canopy that provides shade, beauty, permanence.

As AI systems began acing traditional tests, researchers realized those benchmarks were no longer tough enough. In response, nearly 1,000 experts created Humanity’s Last Exam, a massive 2,500-question ...

Researchers at Mass General Brigham have developed a series of artificial intelligence (AI) tools that uses machine learning to identify individuals who may be at risk for intimate partner violence ...