Two scientists' groundbreaking research on worms has earned them the Nobel Prize in medicine. Victor Ambros and Gary Ruvkun uncovered microRNA, tiny molecules that help control what cells do, which could help develop new medicines.
UPS and FedEx said they are grounding their fleets of McDonnell Douglas MD-11 planes “out of an abundance of caution” following a deadly crash at the UPS global aviation hub in Kentucky....