Science

Coming to a city near you, 5G. Fastest wireless yet will bring new services
Sacramento, Calif., is one of the first U.S. cities to have 5G wireless service, and its mayor sees 5G giving the city an edge in attracting businesses and autonomous-vehicle technology.
Digging deep to predict spring floods
A wide-ranging sampling of the snowpack around the region started Monday morning, which will provide the National Weather Service and other weather observers with key information as they determine whether record snowfalls around the region will turn into spring floods.