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Mike Greener / High Country News Sewers Are Now a COVID-19 Early-Warning System
Wastewater samples can give communities a near-immediate snapshot of how the pandemic is spreading.
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Tatiana Kolesnikova / Getty Why Are There So Few Women Mathematicians?
How a corrosive culture keeps women out of leadership positions on math journals
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Wavebreak Media Ltd. / Corbis Academics Want You to Read Their Work for Free
Publishing an open-access paper in a journal can be prohibitively expensive. Some researchers are drumming up support for a movement to change that.
