Search our collection of background (non-event) articles from news media, science journals and other sources.
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1 | 1 | 5 | 10 | 3 | 3 | 3 | 1 |
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2 | 3 | 3 | 7 | 6 | 1 | 1 | 2 | 2 |
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SUMMER | 12 | |
FALL | 5 | |
SPRING | 5 | |
WINTER | 2 |
United States | 7 | |
Norway | 2 | |
Canada | 1 | |
Czech Republic | 1 | |
Finland | 1 | |
Russia | 1 | |
Svalbard and Jan Mayen | 1 |