The fit of your face mask has a lot to do with how effective it is — the tighter the better for filtering your breath and keeping others safe from viral particles, including those of COVID-19. That ...

In light of new research, the CDC is once again emphasizing wearing a face mask with a proper fit and multiple layers to reduce the spread of COVID-19. Experts say if you have to keep adjusting your ...

If you purchase an independently reviewed product or service through a link on our website, Rolling Stone may receive an affiliate commission. While masks do a great job at protecting ourselves and ...

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 ...

While it's still important to wear a face mask in many situations, that mask won't be fully effective if it doesn't fit properly. That's why a team at MIT has designed a device to assess how well a ...