Zac Unger temporarily moved his family to Churchill, Manitoba, to experience life in the polar bear wild. Here are some of his stories from his book "Never Look a Polar Bear in the Eye."
Pipeline explosion in the Canadian province of Manitoba Saturday cut heat to thousands in municipalities south of Winnipeg, where the wind chill could reach minus 45 degrees F. Monday. The pipeline explosion is the latest example of extreme cold testing energy infrastructure across North America.
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