Search our collection of background (non-event) articles from news media, science journals and other sources.
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| SPRING | 19 | |
| WINTER | 17 | |
| SUMMER | 11 | |
| FALL | 3 |
| United States | 43 | |
| Canada | 2 | |
| China | 2 | |
| Norway | 2 | |
| Cambodia | 1 | |
| French Polynesia | 1 | |
| Svalbard and Jan Mayen | 1 |
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