Boston January 19, 2022 6:43 am Expert Explains 5G Impact on Airports MIT Professor Muriel Medard, an expert in 5G technologies, explains the impact of 5G networks as airlines across the globe cancel flights to the U.S. US & World Videos 1:00 Three dead in apparent murder-suicide in Lowell 3:05 100 protesters detained at Northeastern University 2:39 Community mourns police sergeant killed on duty 2:50 Community mourns Billerica police sergeant killed on duty 4:32 Anti-war protester at Northeastern speaks amid arrests: ‘We are peaceful students'