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Should schools close for coronavirus?

With the rapid rise of coronavirus cases in the U.S., a number of schools across the country are considering closing to prevent the spread of the virus. However, there are few reports of children getting sick with the virus or…

New drugs could stymie superbugs by freezing evolution

Illustration of Streptococcus pneumoniae Scientists may have uncovered a new weapon in the fight against antibiotic-resistant superbugs: drugs that freeze bacterial evolution in its tracks. Antibiotic-resistant bacteria are those microbes that somehow survive even under the onslaught from megadrugs meant…