The distribution of free N95 masks for Americans has begun, the Biden administration said Monday. "Last week, masks began shipping and arriving at pharmacies and grocers around [the] country. We ...

Out of all the different face masks you can choose from, one type is the most protective, according to the Centers for Disease Control and Prevention: N95 respirators. They’re designed to filter ...

The team's approach involving coating porous nanosheets on nanofibers is promising to provide materials capable of effectively filtering small particles like viruses while maintaining air flow to ...