Add Yahoo as a preferred source to see more of our stories on Google. To meet CDC guidelines, the face coverings should allow you to breathe without restriction, include multiple layers of fabric, fit ...

In desperate times, wearing a cloth mask is better than having no mask on at all ⁠— true or false? Well, yes and no. Dr Chen Xiaoting, a Taiwanese anaesthesiologist, is one proponent of using cloth ...

During World War II, nylon stockings disappeared from store shelves as the valuable synthetic material was diverted to make critical wartime supplies such as parachutes, flak jackets and aircraft fuel ...