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Santa better check his compass, because the North Pole is shifting-the north magnetic pole, that is, not the geographical one.
New research shows the pole moving at rapid clip-25 miles (40 kilometers) a year.
Over the past century the pole has moved 685 miles (1,100 kilometers) from Arctic Canada toward Siberia, says Joe Stoner, a paleomagnetist at Oregon State University.
At its current rate the pole could move to Siberia within the next half-century, Stoner said.
"It's moving really fast," he said. "We're seeing something that hasn't happened for at least 500 years."