Few objects symbolize the pandemic as well as the N95. Impossible to find until they were ubiquitous, the double-strapped ...

You can do an at-home leak test with an N95 by putting it on and breathing out, says Rempel. If you can feel the air under your chin or around your eyes, it’s not tight enough. And if your ...

Meaning: She was literally moving her body according to a script meant to test how well an N95 would stay on her face. The 3M application engineer in the personal safety division has done this ...