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A subway pole, a turnstile, a seat….what kinds of bacteria and microbes live on these surfaces? Dr. Christopher Mason and his team swabbed every subway station...
Take vitamin C supplements when you feel a cold coming on? The problem is, you can’t actually “strengthen” your immune system, says Dr. Jen Gunter. Diving...
Visit to get our entire library of TED Talks, transcripts, translations, personalized talk recommendations and more. Far-UVC light is a type of ultraviolet light that kills...
