Search our collection of background (non-event) articles from news media, science journals and other sources.
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1 | 17 | 107 | 27 |
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15 | 11 | 14 | 31 | 16 | 7 | 15 | 9 | 6 | 12 | 6 | 10 |
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SPRING | 26 | |
WINTER | 20 | |
SUMMER | 17 | |
FALL | 6 |
United States | 68 | |
Canada | 6 | |
Norway | 5 | |
Russia | 3 | |
Svalbard and Jan Mayen | 3 | |
Sweden | 2 | |
Finland | 1 | |
Iceland | 1 | |
Switzerland | 1 |