/technologies/sensor-technology/b/blog/posts/smartphone-dongle-is-a-game-changer-for-std-testingwww.youtube.com/watch Researchers at Columbia University have developed a smartphone accessory (“dongle”) that can quickly analyze blood for the presence of HIV and syphilis. Until now, the best way to diagnose these diseases was to use a labora...en-USTelligent Community 12