Valve masks are a type of N95 mask with a one-way valve. The novel coronavirus pandemic brought society a new definition of normal which now includes wearing face masks. While the benefits of masks ...

In some states and major cities, it’s now mandatory to wear a mask in public to prevent the spread of COVID-19. That mask could be anything from a handkerchief to a designer cotton mask to a ...

If you’re wearing a face mask with a little plastic valve embedded in it, you should know that valves compromise the effectiveness of the mask—and this is true whether your mask is a hardware-store ...

SAN FRANCISCO (KGO) -- As multiple large wildfires rage in the Bay Area, we now need to mask up for another reason. Air quality in parts of the Bay Area was the worst in the world Wednesday, with much ...

The Centers for Disease Control and Prevention recommended the general public wear some kind of face covering or mask several months ago. Since then, more people have searched for and bought a mask.

Masks and other face coverings have become as necessary as your smartphone or wallet when leaving the house amid the coronavirus pandemic. But as people begin to ease back into public life, experts ...

A valve mask filters air only when you inhale and could have been effective to tackle pollution but if you are stepping out in COVID, think about changing it as it expels air in a strong, steady jet, ...

From reproductive rights to climate change to Big Tech, The Independent is on the ground when the story is developing. Whether it's investigating the financials of Elon Musk's pro-Trump PAC or ...

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 ...

The Centers for Disease Control and Prevention recommended the general public wear some kind of face covering or mask several months ago. Since then, more people have searched for and bought a mask.