October 19, 2018 1:46 pm Stanford researchers hope high-tech mouthguards can help tackle some of the mystery behind concussion-related injuries New research at Stanford University could shed light on what types of hits on the field could lead to injuries in the brain. US & World Videos 0:28 A Vermont state trooper plunges into icy pond to rescue 8-year-old girl 2:59 Keep these travel etiquette tips in mind this holiday season 2:20 Bodies of Missing Men Found in Rubber Bins Inside Storage Unit 1:42 Hundreds of Golden Retrievers Walk a Mile for the Official Boston Marathon Dog 1:51 Typewriter Shop Owner Receives Gift From Tom Hanks