A New Covid Testing Model Aims to Spare Students From ...
More school districts are embracing “test-to-stay” protocols that allow uninfected close contacts to remain in the classroom. Published: […]
Daily Archives: September 19, 2021
Rain for today in #Pully, #Switzerland!
Good morning This is the #weather forecast for #today: With a high of 15°C and a low of […]
Rings and Seasons of Saturn
On Saturn, the rings tell you the season. On Earth, Wednesday marks an equinox, the time when the […]
Hours before the F.D.A. vote, the C.D.C. released a study ...
The study found that the shots’ effectiveness in preventing hospitalization fell to 77 percent from 91 percent four […]