July 1, 2022 2:44 pm Meet Mass. State Police's Robot Version of a Bomb-Sniffing Dog Roscoe, a Massachusetts State Police robotic dog, is part of the team keeping the Boston Pops Fourth of July Spectacular safe this year. US & World Videos 3:50 Obesity expert discusses new proposal for U.S. dietary guidelines 4:41 Parents sue over AI chatbot they say encourages children to harm themselves and others 1:32 Patriots host annual children's holiday party 2:48 Hate grocery shopping? Robots could soon do it for you 2:08 Lawrence Fire Department's ‘Station 8' uses music to teach safety to kids
