Search our collection of background (non-event) articles from news media, science journals and other sources.
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1 | 1 | 1 | 8 | 20 | 66 | 21 | 30 | 1 | 47 | 12 |
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34 | 19 | 24 | 27 | 12 | 15 | 14 | 14 | 18 | 6 | 10 | 15 |
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WINTER | 59 | |
SPRING | 48 | |
SUMMER | 39 | |
FALL | 31 |
United States | 66 | |
Canada | 19 | |
Norway | 9 | |
Svalbard and Jan Mayen | 6 | |
Finland | 3 | |
Greenland | 3 | |
Iceland | 3 | |
Russia | 3 | |
Sweden | 2 | |
Antarctica | 1 | |
Guatemala | 1 | |
Nepal | 1 | |
Spain | 1 | |
Switzerland | 1 |