The Location Of Every Tornado Touchdown In America, Graphed

America has more tornado touchdowns on average than anywhere else in the world, but those touchdowns are not at all evenly distributed. These maps, which break down the coordinates of each tornado, illustrate exactly where the danger falls the heaviest. [UPDATE] » 6/17/14 10:24am 6/17/14 10:24am

, joined us in comments to explain just what might be…

Arctic megastorm is so powerful it's turning the ice cap into "slush"

A massive storm has been lashing the Arctic, and its fury is so great that it's actually breaking up the remaining ice at the pole and whipping it into a substance that one scientist called "slushy." Over at the awesome DotEarth blog, Andrew Revkin has been keeping tabs on the storm, which is incredibly unusual for… » 8/10/12 1:18pm 8/10/12 1:18pm