The deadly flash flood in Nepal on Wednesday was likely caused by a huge chunk of a glacier that broke off and temporarily dammed a river, according to preliminary investigations by scientists. That may have led to the backed-up water surging downstream with enormous force a few hours later, they suggested.Scientists are still piecing together information from satellite and ground-level data to figure out exactly what happened to cause the flood, which killed hundreds and left many more missing, including foreigners and pilgrims.The U.S. Geological Survey on Wednesday reported a magnitude…READ FULL ARTICLE