Whole-genome sequencing of preserved blood samples provides the clearest picture to date of the virus’s arrival and spread in the U.S.
July 13, 1987|
A couple of decades ago most chemists could be assured that if they did a good job in the research organization of a profitable company they could look forward to continued employment until nor mal retirement age. Nowadays that is no longer the case. In scores of situations in recent years—involving companies as diverse as du Pont, Stauffer and Gulf—large chunks of research laboratories, or even whole labs, have been wiped out, and experienced researchers have been terminated or forc