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Photo: Tero Vesalainen / Getty Images Is Cold Weather the Reason You’re Always Sick in Winter?
The cold does make it easier to get sick, but not in the way you might think.
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(Photo By BSIP/UIG Via Getty Images) Scientists Made a Tiny ‘Hand’ to Snatch Viruses From Your Body
The NanoGripper is made of a single folded strand of DNA.
