Search our collection of background (non-event) articles from news media, science journals and other sources.
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| SPRING | 16 | |
| FALL | 12 | |
| SUMMER | 12 | |
| WINTER | 12 |
| United States | 43 | |
| Norway | 7 | |
| Canada | 6 | |
| Russia | 3 | |
| Mexico | 1 | |
| Svalbard and Jan Mayen | 1 |
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