In 2010 I made a deal with my husband that I would take golf lessons for one month. If I liked it, great! I would buy clubs and take up the sport at a leisurely pace. If I hated it, he would have to leave me alone and never say
The global population is being encouraged to wear non-medical masks while in public, to reduce Covid-19 transmission. People are making their own masks – but some of them may increase the risk of infection, due to their lack of water repellency, and improper cleaning. What types of masks are there?