May 13, 2015 11:40 pm SF Startup Uses 3D Printers to Create Prosthetic Legs Is it the next Industrial Revolution? 3D printing may one day revolutionize businesses, but it’s already having another effect: changing countless lives. Stephanie Chuang reports. 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
