In a letter to the school’s community, Harvard officials said that for the first three weeks of January, “we will take steps to reduce density on campus by moving much of our learning and work remotely."
The letter noted that students who had received approval from their specific school or previous authorization would be the only students allowed to remain on or return to campus during the three-week period.
Air in the U.S. has gotten cleaner for decades, adding years to people's lives and preventing...
The US supreme court on Monday heard arguments in a case that could threaten Americans’ access...
