Inter Press Service: The peak of the Stubai Mountains in the Austrian Alps has vanished. It was around a couple of months back, but since then no one can say exactly when it disappeared. "One day, the mountain top was simply gone," says Gunther Heissel, director of the Austrian Research Centre for Alpine Geology in Innsbruck, about 450km from capital Vienna. Earlier television footage confirmed that the peak was once there, and now is not. "The glaciers on the Alpine mountains flow …