Search our collection of background (non-event) articles from news media, science journals and other sources.
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4 | 15 | 2 | 11 | 6 | 26 | 19 |
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17 | 6 | 9 | 7 | 9 | 4 | 4 | 6 | 8 | 2 | 6 | 5 |
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SPRING | 16 | |
FALL | 12 | |
SUMMER | 12 | |
WINTER | 12 |
United States | 42 | |
Norway | 7 | |
Canada | 6 | |
Russia | 3 | |
Mexico | 1 | |
Svalbard and Jan Mayen | 1 |