Search our collection of background (non-event) articles from news media, science journals and other sources.
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1 | 1 | 1 | 1 | 2 | 1 | 6 | 9 | 29 | 6 | 13 | 10 | 49 | 35 |
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21 | 8 | 16 | 20 | 16 | 16 | 6 | 11 | 10 | 10 | 18 | 12 |
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SPRING | 28 | |
FALL | 26 | |
WINTER | 26 | |
SUMMER | 23 |
United States | 74 | |
Canada | 18 | |
Norway | 9 | |
Russia | 4 | |
Iceland | 2 | |
Japan | 2 | |
Svalbard and Jan Mayen | 2 | |
Sweden | 2 | |
Afghanistan | 1 | |
Greenland | 1 | |
Mongolia | 1 | |
Nigeria | 1 | |
Solomon Islands | 1 |