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 ...
Mallary Saltzman didn’t need to wear a face covering for long before she came to a realization: “Hearing aids, masks, hair and earrings don’t go well together.” Saltzman, 62, who has moderate hearing ...
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