Opinion

In what sounds like something out of “Jurassic Park,” bacteria that lived before the dinosaurs and survived Earth’s biggest mass extinction have been reawakened after a 250-million-year sleep in a salt crystal, scientists say. -more-

SACRAMENTO — Opponents in the fight over the school voucher initiative on California’s Nov. 7 ballot accused each other Tuesday of using deceptive ads. -more-

Oct. 17 -more-

WASHINGTON – A type of genetically engineered corn that is not approved for food use was withdrawn from the market at the government’s urging Thursday after the crop showed up in additional brands of taco shells. -more-

Downtown San Francisco was a friendly place Wednesday morning. At 7:30 a.m., more than 300 volunteers, wearing fluorescent green hats and vests, stationed themselves on street corners and cheerily waved hello to passers by. -more-