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This manicure is also a roofie detector

An experimental nail polish line called Undercover Colors can do more than look good: it can tell if your drink's been spiked by a dubious date. Just pretend to stir the drink with your finger, and the polish will change color the moment it detects GHB, Rohypnol or Xanax (aka date rape drugs or roofies) in the liquid. #tech


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