Search our collection of background (non-event) articles from news media, science journals and other sources.
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1 | 1 | 15 | 16 | 2 |
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1 | 3 | 5 | 3 | 3 | 6 | 1 | 1 | 1 | 4 | 7 |
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SUMMER | 5 | |
WINTER | 5 | |
FALL | 3 | |
SPRING | 2 |
United States | 18 | |
Canada | 4 | |
Norway | 2 | |
Italy | 1 | |
Russia | 1 | |
Svalbard and Jan Mayen | 1 | |
Sweden | 1 |