N95 Masks vs. Surgical Masks: Which Is Better For COVID-19?

Scientists have actually randomized people to wear N95 or regular surgical masks, then tracked how many people got infected with viruses similar to COVID-19 such as the flu. This data can tell us whether N95 or surgical masks are more effective at preventing infection of respiratory viruses including COVID-19. The …

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Best material fabric for making DIY masks to capture viruses

What Are the Best Materials for Making DIY Masks?

With masks sold out during the coronavirus outbreak, many people will have to make do with what some scientists have called “the last resort”: the DIY mask. Data shows that DIY and homemade masks are effective at capturing viruses. But if forced to make our own mask, what material is …

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Surgical Mask Francis Totobobo

NPR Got These Facts About Masks Wrong

As wildfires were raging across the American West this summer, NPR ran a story on pollution masks people can use to protect themselves from all that air pollution. As a non-expert nerd who has dedicated years to understanding how to live under Beijing’s particulate cloud, I was eager to see …

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Smart Air low cost purifiers

Smart Air is a social enterprise that creates simple, no-nonsense air purifiers and provides free education to protect people’s health from the effects of air pollution. We are proud to be the only certified B-Corp dedicated to fighting air pollution.

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