Researchers used worn face masks and an aircraft HEPA filter as low-cost, noninvasive tools to sample and analyze airborne microbes. The findings show that shared indoor air is dominated by harmless, ...

In the first study of its kind, scientists used an unexpected sampling tool—used face masks and an aircraft air filter—to uncover the invisible world of microbes floating in our shared air. Their ...

Just in time for the busy holiday travel season, researchers report on a question that will run through many people's minds as they cram into tightly packed planes: How clean is airplane air? To find ...