A creak, a thunderous roar, and then the plunge: Argentina’s Perito Moreno Glacier calves several times a day, as hundreds of visitors strain to see which side it ...
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A key adviser warned President John F. Kennedy after the disastrous Bay of Pigs invasion of Cuba in 1961 that the agency ...
When thinking about the Arctic, images of snow, ice—maybe even a polar bear—likely come to mind. Located at the northernmost ...
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