Search our collection of background (non-event) articles from news media, science journals and other sources.
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3 | 56 | 13 |
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11 | 4 | 6 | 13 | 8 | 3 | 4 | 1 | 5 | 3 | 8 | 6 |
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SPRING | 13 | |
WINTER | 12 | |
FALL | 5 | |
SUMMER | 2 |
United States | 23 | |
Canada | 7 | |
Norway | 3 | |
Russia | 2 | |
China | 1 | |
Poland | 1 | |
Svalbard and Jan Mayen | 1 |