More than 8% of the earth’s adult population has diabetes, which means close to 390 million need to check their glucose levels on a regular basis. Checking sugar levels can be an annoying and rather invasive process, as it most often requires the use of needles to draw actual blood, which then gets tested on a special device. Many researchers are looking into more user-friendly ways of measuring glucose, including temporary tattoos that can be applied to the skin and accurately take sugar measurements without once breaching the protective skin layer. FROM EARLIER: Motorola now wants you to buy temporary digital tattoos to unlock your Moto X The University of California San Diego has come up with such a tattoo,



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