Massachusetts January 20, 2022 6:32 pm Harvard to End Contact Tracing and Isolation Housing New changes to Harvard University’s COVID-19 policies have been announced. US & World Videos 2:09 President of MIT calls for shutting down pro-Palestinian encampments 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