David Dilling has decades of experience in the air filtration business, but the past year has created more challenges — and opportunities — for him than any time he can remember. The 54-year-old San ...

If you want to keep attending races for decades to come without wrecking your lungs, you need gear that works as hard as the ...

Researchers at Kyoto University have developed a mask filter that, when exposed to ultraviolet light, shows whether the user has been infected with the virus. Researchers in Japan are developing a ...

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Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. We’re all familiar with protective masks. Since 2020, many more ...

As health officials scramble to minimize spread of the highly contagious Omicron variant, many experts have recommended that people switch from cloth or surgical masks to more-protective N95 and KN95 ...

Airplane filters remove 99% of particles, experts say, which can help keep transmission of COVID-19 low on flights. But face masks provide an additional layer of protection -- especially if you're ...