Alexandra Witze, Earth in action

Alexandra Witze, Earth in action

Poles apart, the Arctic and Antarctic exhibit very different records for sea ice

By Science News, 11:04 AM November 5, 2012

SN Prime | November 5, 2012 | Vol. 2, No. 42

People might think they’re twins, but the North Pole and the South Pole are really more like distant cousins who, at family reunions, can’t believe they are related.

To visit the North Pole, you have to take a helicopter or plane that lands you on an ice runway just a few meters thick. Beneath your feet stretch several miles of water. Better hope the ice doesn’t crack.

To visit the South Pole, you land on another ice runway, but one sol...

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