Surgery is getting better all the time. More procedures that once required large cuts and lots of recovery time can be performed with a tiny incision and a high-tech endoscopic camera. But endoscopes aren't perfect. They may show physicians an image of your insides, but they don't tell them exactly where in the body they're shooting the footage. Luckily, researchers may have found a solution to this problem. They've developed a super-sensitive camera that can detect light through the human body — light like the kind that comes from an endoscope.
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