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 ...
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 ...
The CDC recommends using a mask fitter or brace to improve the fit of your face mask for better COVID-19 protection. A mask fitter is a small, frame-like device that’s usually made of solid or elastic ...
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