STARTING in November 1948, a series of tests 1 for pregnancy were performed using the native male toad, Bufo melanostictus Schneid. Specimens of urine from women pregnant from six weeks to seven ...
When the IBM PC was new, I served as the president of the San Francisco PC User Group for three years. That’s how I met PCMag’s editorial team, who brought me on board in 1986. In the years since that ...
The COVID-19 pandemic led to many changes. Among them is universal familiarity with a molecular diagnostic technique that was largely unknown outside clinical use. The polymerase chain reaction — or ...
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