Use N95, or better, masks and make sure they cover your nose and mouth. By Claire Moses Today’s the day to put that mask back on. As smoke from wildfires in Canada drifts over large parts of the ...

(Nanowerk News) Masks that protect against SARS-CoV-2 virus can feel like a nuisance, especially while exercising. A new 3D-printable mask design, inspired by animal noses, promises easy breathing for ...