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Temporary Tattoo Tells You When You're Drunk

It has an electronic sensor

(Newser) - These days there are plenty of options for those who want to test their (or a friend's) blood alcohol content before getting behind the wheel, but a finger prick is the best bet if what you're after is accuracy. Now researchers at the University of California San Diego... More »

Tiny Cancer, Pathogen Sensors Take Giant Leap

New compound may speed nanotech growth

(Newser) - Biosensors that monitor cancer in the body and pathogens in water are one step closer to realization, after experiments revealed a newly efficient microscopic power supply. The sensors themselves have already been engineered in tiny dimensions, but power has been the sticking point, Technology Review reports. New nanogenerators could power... More »

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