ScienceDaily: If you believe that last October's Superstorm Sandy was a freak of nature -- the confluence of unusual meteorological, atmospheric and celestial events -- think again.
Cornell and Rutgers researchers report in the March issue of Oceanography that the severe loss of summertime Arctic sea ice -- attributed to greenhouse warming -- appears to enhance Northern Hemisphere jet stream meandering, intensify Arctic air mass invasions toward middle latitudes, and increase the frequency of atmospheric blocking...