Tagged With Polar-vortex-us

The frigid polar vortex that killed 21 people is on the way out — and temperatures are due to spike by up to 80 degrees


This brain tumour survivor plans to climb Mount Everest — and he's using the frigid temperature during the polar vortex to practice


The polar vortex ravaging the US with extreme cold has killed at least 21 people



It's gotten so cold in parts of the US that workers are setting the train tracks on fire to keep them from fracturing