Viral video: When the Air Quality Index (AQI) continues to increase in India, a video has gone viral in which an X user shared a shocking detail. The viral video features a man applying an N95 ...
Glow-in-the-dark coughs and sneezes? In the coronavirus era, this is what it takes for scientists to figure out which masks work best at stopping aerosol droplets from spreading after a cough or a ...
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