In research that could lead to better gas mask filters, scientists at the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) have been putting the X-ray spotlight on composite ...

(NEXSTAR) – Before coronavirus, many of us only saw face masks at the doctor’s office. These days, they’re everywhere, and available in a variety of shapes, sizes, colors and patterns. Now, they’re ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Before coronavirus, many of us only saw face ...