Search our collection of background (non-event) articles from news media, science journals and other sources.
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82 | 65 |
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33 | 34 | 19 | 3 | 6 | 13 | 7 | 6 | 10 | 5 | 6 | 5 |
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WINTER | 72 | |
SPRING | 18 | |
SUMMER | 16 | |
FALL | 12 |
United States | 71 | |
Canada | 9 | |
Norway | 7 | |
Russia | 4 | |
Iceland | 1 | |
Svalbard and Jan Mayen | 1 | |
Sweden | 1 |