Five months after coronavirus took root in the U.S., face masks remain one of the most controversial and confusing parts of the pandemic. Changing public-health messaging hasn’t helped. In March, when ...

FARGO — It’s hard to keep up isn’t it? For months, health experts said healthy people didn’t need to wear masks to protect themselves from coronavirus. But as the scientists learn more about the ...

In makeshift home laboratories, a team of scientists discovered that cotton flannel is the optimal fabric, and their latest study says that the moisture from our breath makes the mask more effective.

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. As students return to school and employees ...

Homemade masks are everywhere, but how effective are they? To answer that question, a team at Virginia Tech led by Linsey Marr analyzed the protective properties of a variety of masks. The results ...