Fig. 1. Given (a) the scanned face model of a subject, we develop an optimization-based approach to design (b&c) a PAP mask cushion that fits the face model. (d) The designed mask cushion is ...

The Washington Post is providing this news free to all readers as a public service. Follow this story and more by signing up for health, science, and environment email alerts. On Friday, President ...

Katie covered all things how-to at CNET, with a focus on Social Security and notable events. When she's not writing, she enjoys playing in golf scrambles, practicing yoga and spending time on the lake ...

Your social distancing uniform of T-shirts and sweat pants has a new accessory: Cloth face masks. Last week, the Centers for Disease Control and Prevention recommended that the public begin wearing ...

Don’t go out without a mask, we’re urged. Our reporter tried making a few designs, and learned that how you treat your mask is important as well. WHYY reporter Sabrina Emms, wearing a mask made from a ...