ScienceMode: Researchers at the University of Colorado-Boulder are now forecasting a 92 percent chance that the 2007 September minimum extent of sea ice across the Arctic region will set an all-time record low. The researchers, who forecast in April a 33 percent chance the September minimum of sea ice would set a new record, dramatically revised their prediction following a rapid disintegration of sea ice during July, said Research Associate Sheldon Drobot of CU-Boulder’s Colorado Center for …