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Scientists Identify Polar Cyclone Swirling on Mysterious Uranus -
Polar Bear Kills Woman, Boy in Remote Alaska Village -
Exploding Maple Trees Rock Texas Winter -
Polar Vortex Set to Whip Up Strong Winds, Freezing Temperatures, and Snow -
Temperatures Plummet to -75 Degrees F in North Dakota as ‘Polar Vortex’ Starts: Report -
Polar Vortex Hits: Chicago Forecast to Be Colder Than Antarctica This Week