In Corvallis, Ore, university volunteers are going into neighborhoods and offering residents a free self-test for the SARS-CoV-2 virus in hopes of getting a more accurate snapshot of infections.
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Joe Palca is a science correspondent for NPR. Since joining NPR in 1992, Palca has covered a range of science topics — everything from biomedical research to astronomy. He is currently focused on the eponymous series, "Joe's Big Idea." Stories in the series explore the minds and motivations of scientists and inventors. Palca is also the founder of NPR Scicommers – A science communication collective.