Not chilly enough yet? Here are some of the world's coldest settlements

The polar vortex has brought record-breaking temperatures to the US and Canada, but in some parts of the world, people regularly live with frigid temperatures that make 0°C look rather balmy. Here are some currently and formerly inhabited spots where a good coat and a set of longjohns are essential to life. » 1/13/14 3:00pm 1/13/14 3:00pm