A conclusive or critical test, as used to determine the worth, quality, or effectiveness of someone or something. The phrase comes from the 19th-century practice of testing metals in nitric acid to determine if they contained gold.
Restructuring the organization will be the acid test that determines whether or not it can survive the sudden downturn in the ec ... Show More
Apr 2020
If I test negative for COVID-19, am I clear?
Ever since the COVID-19 pandemic was declared, we’ve heard a lot of talk about coronavirus tests. But how do tests for such a new virus work and what do the results really tell you? If your test comes back negative, what do you do? And what kinds of tests will help us in the futu ... Show More
26m 55s
Jan 2022
Les autotests permettent-ils de détecter Omicron ?
Depuis l'apparition, en novembre 2021, du nouveau variant Omicron, beaucoup plus contagieux, le nombre de contaminations au Covid-19 explose. Face à cette flambée de l'épidémie, on peut s'interroger sur l'efficacité de certains tests, et notamment des autotests, pour repérer ce n ... Show More
2m 4s