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.

Last week the US Centers for Disease Control and Prevention released a new recommendation, saying people should now wear a cloth face mask in public to help slow the spread of the coronavirus. "CDC ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. If you and your family have opted to use disposable masks during the ...