Search our collection of background (non-event) articles from news media, science journals and other sources.
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24 | 1 | 47 | 12 |
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13 | 10 | 14 | 12 | 8 | 3 | 6 | 3 | 4 | 1 | 3 | 7 |
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WINTER | 21 | |
SPRING | 19 | |
SUMMER | 8 | |
FALL | 5 |
United States | 35 | |
Canada | 2 | |
Russia | 2 | |
Svalbard and Jan Mayen | 2 | |
Finland | 1 | |
Iceland | 1 | |
Norway | 1 |