More than 25,000 Americans died of COVID-19 in July. At least 70,000 lives could be saved in the U.S. by December if more people wore masks, a new model predicts. Infections among younger people are soaring. Plus, anti-maskers explain themselves, and why aren't we hiring more contact trace workers?
- The New York Times - Katherine J. Wu
For a spiky sphere just 120 nanometers wide, the coronavirus can be a remarkably cosmopolitan traveler. Spewed from the nose or mouth, it can rocket across a room and splatter onto surfaces; it can waft
- National Geographic - Carrie Arnold
Worries over waning antibodies may be overblown, as growing evidence shows a role for T cells in the coronavirus immune response. Winter break had arrived in Stockholm in late February, and Soo Aleman