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5 Weird Concepts to (Theoretically) Supercharge Mask Fabrics

From diamonds to salt, researchers are exploring novel materials for face coverings. But don't expect to see these far-out ideas in stores anytime soon.

How to Spot a Counterfeit N95 Mask

N95 respirator masks are more effective at stopping coronavirus-containing droplets than disposable surgical or cloth masks. But since they’re in such high demand, there’s...