With thousands of medical apps available for download, patients and physicians can instantly keep visual records of wounds and look up symptoms. Benjamin Morris/NPR hide caption
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Jealous? If you have trouble sleeping, several new apps and devices promise to help you figure out why. In this photo from January, Huan Huan, a female giant panda, sleeps in a zoo in Beauval, France. Franck Prevel/Getty Images hide caption
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