Walking a few thousand steps daily may help hold off Alzheimer’s for years, a Mass General Brigham study found. Even moderate physical activity slowed both cognitive decline and the buildup of harmful ...

Thanks to new technologies like artificial intelligence, scientists are increasingly freed from the constraints of the laboratory. It raises questions about how much humans should outsource to robots.

Whether the dust borne on the violent winds of a tornado or the sugar grains in a swirled cup of coffee, the behavior of ...