Speaking of Science: A look at Covid-19 tests
(World News Science)

Earlier today I went for an asymptomatic test for SARS-CoV-2, the virus responsible for the Covid-19 pandemic. Even though I don`t have any symptoms, my workplace is offering asymptomatic tests as we try to bring more and more people back into the offices and labs. This is especially important as we are now learning that many people with SARS-CoV-2 do not realize they are infected, even though others they infect may not be so lucky. For the test, a very thin stick with bristles at the end is inserted up the nose and into the septum, twirled, and then removed. It is a very strange sensation — not painful, but the type that makes you want to sneeze and briefly makes your eyes water. The thin...