Maryland February 19, 2024 11:52 am Students use day off to learn from NASA engineer NASA’s Milton Davis volunteers with a nonprofit, Engineering Tomorrow, to bring STEM education to life for students. News4’s Juliana Valencia reports. Local 2:00 Crews demolish part of Baltimore's Key Bridge 7:29 Explosives remove part of the remaining Key Bridge 3:21 Younger people reduce stigma around mental health 2:15 Families honor the fallen at National Law Enforcement Officers Memorial 1:55 Demolition of portion of Key Bridge set for Monday