Search our collection of background (non-event) articles from news media, science journals and other sources.
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4 | 10 | 49 | 28 |
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15 | 4 | 11 | 14 | 11 | 12 | 2 | 5 | 4 | 5 | 6 | 2 |
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SPRING | 12 | |
SUMMER | 11 | |
WINTER | 8 | |
FALL | 6 |
United States | 44 | |
Canada | 6 | |
Norway | 2 | |
Russia | 1 | |
Svalbard and Jan Mayen | 1 |