Massachusetts November 21, 2019 11:40 pm Researchers Focus on Chemical Safety With the dangers surrounding cleaning chemicals at the forefront, researchers are working to make products safer. US & World Videos 8:39 Gina Rodriguez gushes 0ver motherhood with son Charlie 2:22 Scarlett Johansson and Colin Jost have date night at White House Correspondents' dinner 2:09 President of MIT calls for shutting down pro-Palestinian encampments 3:57 Pleasant Sunday despite morning showers 1:00 Three dead in apparent murder-suicide in Lowell