March 22, 2014 10:08 am Science & Engineering Expo at Petco Park NBC 7’s weekend morning anchors Megan Tevrizian and Greg Bledsoe speak with Lamar Queen of Music Notes about the Science & Engineering Expo taking place at Petco Park on Mar. 22, 2014. 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
