Dementia is a group of disorders that gradually impair memory, thinking and daily functioning. Alzheimer's disease (AD), the most common form of dementia, affects about 7.2 million Americans aged 65 ...

Knot theory sounds simple… until you realize it hides some of the most complex math ever discovered. In this video, we dive into the world of mathematical knots objects that follow strict rules and ...

The trial of a former NYPD officer accused of assaulting two men inside Manhattan Central Booking is coming to an end, and the jury will soon have to weigh a complex legal question: When does a police ...

Nearly a third of US teenagers say they use AI chatbots daily, a new study finds, shedding light on how young people are embracing a technology that’s raised critical safety concerns around mental ...