Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Click here to see all of PopSci’s COVID-19 coverage. Wearing a ...
In light of the Omicron variant and at the urging of public-health experts, the CDC has updated its mask guidelines. The agency’s new standards stress that fabric masks are the least protective ...
The audio version of this article is generated by AI-based technology. Mispronunciations can occur. We are working with our partners to continually review and improve the results. Mark Lefebvre (left) ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results