If you only have a single-layer or loose-fitting mask, it may be smart to wear two at once. To double up, wear one cloth mask over another, or wear a cloth mask over a surgical mask. Experts have long ...

Remember the last time you gave your walls a fresh coat of paint? You probably used a roll of blue or beige masking tape to cover the baseboards and windows so you wouldn’t get paint on them. Masking ...

Researchers have shown that three-layered surgical masks are more effective than single or double-layered masks at stopping large droplets from a cough or sneeze from penetrating through the mask. If ...