Search our collection of background (non-event) articles from news media, science journals and other sources.
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| SPRING | 32 | |
| WINTER | 26 | |
| SUMMER | 23 | |
| FALL | 20 |
| United States | 43 | |
| Canada | 12 | |
| Norway | 7 | |
| Russia | 4 | |
| Iceland | 3 | |
| United Kingdom | 3 | |
| Svalbard and Jan Mayen | 2 | |
| Cambodia | 1 | |
| China | 1 | |
| Estonia | 1 | |
| Faroe Islands | 1 | |
| Greece | 1 | |
| Greenland | 1 | |
| India | 1 | |
| Ireland | 1 | |
| Poland | 1 | |
| Puerto Rico | 1 |
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