The oases of Antarctica

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When we think of an oasis, the first image that comes to mind is usually that of a lush green area amidst the endless sands of a desert, with camels quenching their thirst at a spring and caravan drivers dozing in the shade. Oases provide refuge from the heat and…

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The magnificent nine. An overview of the Earth’s famous and not-so-famous poles

Even a child knows that poles are the points at the Earth’s very top and very bottom. The thing is, though, that the Earth is spherical and spheres, by definition, do not have tops or bottoms. Besides, a closer inspection makes it quite clear that there are no fewer than…

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