Our COVID-19 tests are still imperfect, study notes, cautioning against false negatives
Even with very effective tests, we'll still see false positives.
Tag: tests
How many slaves work for you? Find out in this online test
Income inequality and social stratification are hallmarks of today's economy, both in the context of a single country and on ...
Water balloons in 0 gravity
Aside from looking just awesome, these tests should also give new insights on water in 0 gravity and furthermore, inspire ...