tested

Boeing Tested Air Purifiers Like Those Widely Used in Schools. It Decided Not to Use Them in Planes.

Aerospace giant Boeing tested two kinds of ionization technologies — like those widely adopted in schools hoping to combat covid — to determine how well each killed germs on surfaces and decided that ...

They Tested Negative for Covid. Still, They Have Long Covid Symptoms.

Kristin Novotny once led an active life, with regular CrossFit workouts and football in the front yard with her children — plus a job managing the kitchen at a middle school. Now, the 33-year-old moth...

Refuge in the Storm? ACA’s Role as Safety Net Is Tested by COVID Recession

The Affordable Care Act, facing its first test during a deep recession, is providing a refuge for some — but by no means all — people who have lost health coverage as the economy has been battered by ...