One common concern about cloth face masks is the level of filtration they provide. The fabric’s mesh is often too open to filter out smaller particles such as smoke, dust, or viruses. A popular ...

You walk into the wood shop and are standing by the table saw while Bob, the carpenter, is getting ready to cut some boards. "You might want to put this dust mask on," says Bob as he hands you a paper ...

The president of Chicago's Trauma Risk Management Research Institute has history with Chernobyl and has invented an "emergency bra," with two cups that can separated and strapped on over the faces of ...