A newly created smart mask can detect and decipher the difference between breathing, coughing and speaking, which researchers say can help in identifying several respiratory diseases.Due to the ...

I stood outside a busy New York City subway stop recently, dressed like a celebrity trying not to be recognized. My face was covered with sunglasses, a baseball cap and my black KN95 mask.

The small U.S. manufacturers that rushed to produce face masks over the past year are now stuck with hundreds of millions of unsold face coverings because China is flooding the market with below ...