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A new copper coating that kills bacteria quicker and in greater amounts than current formulations could soon be available for hospitals and other high-traffic facilities. Although current formulations ...

Scientists have been continuously studying various aspects of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the causative agent of the coronavirus disease 2019 (COVID-19), in an ...

It was a winter day in Toronto, at the height of the pandemic in February 2021, and Dr. Amanda Clifford was walking from the subway station to her apartment when she had the idea about how to ...

TimesMachine is an exclusive benefit for home delivery and digital subscribers. About the Archive This is a digitized version of an article from The Times’s print archive, before the start of online ...