Search our collection of background (non-event) articles from news media, science journals and other sources.
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| SUMMER | 56 | |
| WINTER | 35 | |
| FALL | 31 | |
| SPRING | 27 |
| United States | 79 | |
| Canada | 21 | |
| Norway | 8 | |
| Russia | 8 | |
| China | 1 | |
| Finland | 1 | |
| Ireland | 1 | |
| Nepal | 1 | |
| Pakistan | 1 | |
| Spain | 1 | |
| Svalbard and Jan Mayen | 1 | |
| Vietnam | 1 |
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