Search our collection of background (non-event) articles from news media, science journals and other sources.
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| 20 | 16 |
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| 5 | 2 | 3 | 4 | 11 | 2 | 2 | 3 | 4 |
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| SUMMER | 7 | |
| FALL | 2 | |
| WINTER | 2 |
| United States | 24 | |
| Canada | 2 | |
| Iceland | 1 | |
| Norway | 1 | |
| Russia | 1 |
Observations From Members