April 20, 2012 12:46 pm The Dirt With David Martin Garden expert David Martin joins NBC4’s Barbara Harrison in studio to talk about why gardening is a great way to get your kids outside. Local 1:42 Car sent flying into the air after speeding through rotary in Massachusetts 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