Search our collection of background (non-event) articles from news media, science journals and other sources.
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| SUMMER | 13 | |
| SPRING | 11 | |
| FALL | 5 | |
| WINTER | 5 |
| United States | 15 | |
| Norway | 3 | |
| Australia | 1 | |
| Canada | 1 | |
| Guatemala | 1 | |
| Pakistan | 1 | |
| Svalbard and Jan Mayen | 1 |
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