Search our collection of background (non-event) articles from news media, science journals and other sources.
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1 | 1 | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 6 | 13 | 45 | 79 | 25 | 39 | 22 | 87 |
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24 | 26 | 31 | 29 | 19 | 41 | 24 | 27 | 33 | 28 | 28 | 21 |
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SUMMER | 79 | |
FALL | 70 | |
WINTER | 70 | |
SPRING | 66 |
United States | 113 | |
Canada | 18 | |
Norway | 8 | |
Russia | 5 | |
Greenland | 4 | |
Japan | 3 | |
Mexico | 3 | |
Svalbard and Jan Mayen | 3 | |
Iceland | 2 | |
Nigeria | 2 | |
Australia | 1 | |
Cocos Islands | 1 | |
Ecuador | 1 | |
French Polynesia | 1 | |
Greece | 1 | |
India | 1 | |
Solomon Islands | 1 | |
Vietnam | 1 |