Ducharme is a contributor to TIME. A medical worker performs a COVID-19 test at a screening center in Saint-Denis, France, on Nov. 4, 2020. Ducharme is a contributor to TIME. If you had COVID-19 ...
When Kary Mullis, Ph.D., first conceptualized the idea of the polymerase chain reaction (PCR) in 1983 he immediately knew the technology would revolutionize life sciences research. The Nobel ...