Shopping 19 hours ago Hate grocery shopping? Robots could soon do it for you Data shows an average shopping trip takes about 41 minutes, and scientists at MIT are trying to use artificial intelligence and robotics to give back some of that time. US & World Videos 1:32 Patriots host annual children's holiday party 2:08 Lawrence Fire Department's ‘Station 8' uses music to teach safety to kids 2:13 Patriots host annual children's holiday party 3:30 Mass. assisting in nationwide IVF access 2:13 Power outage hits Nantucket during Christmas Stroll