a Example photographs depicting happy, neutral, and sad expressions for Opaque mask, Transparent mask, and No mask conditions; b Sample trial progression. Participants were presented with a ...

ClearMask — the first US Food and Drug Administration-approved transparent surgical face mask, according to the company — has sold over 12.5 million see-through masks since April. The ...

John Whittier It's sad perhaps but true: Because large corporations have a difficult time being transparent to their customers and employees, you, as an entrepreneur, have an advantage if you can ...