Search our collection of background (non-event) articles from news media, science journals and other sources.
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40 | 13 |
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7 | 1 | 1 | 3 | 3 | 5 | 8 | 8 | 2 | 6 | 5 | 4 |
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SUMMER | 14 | |
SPRING | 3 | |
WINTER | 3 | |
FALL | 2 |
United States | 24 | |
Canada | 4 | |
Norway | 2 | |
Brazil | 1 | |
Finland | 1 | |
France | 1 | |
Iceland | 1 | |
Russia | 1 | |
Svalbard and Jan Mayen | 1 |