Search our collection of background (non-event) articles from news media, science journals and other sources.
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15 | 29 | 8 |
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3 | 1 | 5 | 13 | 10 | 7 | 6 | 7 |
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SPRING | 12 | |
SUMMER | 7 | |
WINTER | 3 |
United States | 12 | |
Norway | 2 | |
Cambodia | 1 | |
Canada | 1 | |
China | 1 | |
Ireland | 1 | |
Poland | 1 | |
Svalbard and Jan Mayen | 1 | |
United Kingdom | 1 |