Face masks are an essential part of protecting yourself and others from coronavirus, but that doesn't make them any easier to wear. Over the past few weeks, we've realized firsthand how masks can ...
As new variants of the coronavirus spread within the United States, health professionals have suggested that Americans wear two masks. (Video: John Farrell/The Washington Post) Amid increasing ...
Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Click here to see all of PopSci’s COVID-19 coverage. Nearly a year ...
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