Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Follow all of PopSci’s COVID-19 coverage here, including tips on ...
Wearing a face mask is a vital measure to prevent the spread of COVID-19, even if you are fully vaccinated. While surgical and cloth masks offer some protection, N95s and KN95s masks, called ...
“The purpose of masks is to keep respiratory droplets from reaching others to aid with source control. Masks with one-way valves or vents allow exhaled air to be expelled out through holes in the ...
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