Millions endure record cold without power; at least 15 dead - Medicine Hat NewsMedicine Hat News medicinehatnews.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from medicinehatnews.com Daily Mail and Mail on Sunday newspapers.
Record subzero temperatures and deep freezes in Texas, Oklahoma, and Mexico cut millions of people off the power grid on Tuesday. But places like Greenland and Norway are seeing warm weather. Scientists shine light on what the polar vortex has to do with it all.