Search our collection of background (non-event) articles from news media, science journals and other sources.
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84 | ||
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71 | ||
70 | ||
54 | ||
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31 | ||
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138 | ||
121 | ||
88 | ||
87 | ||
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67 | ||
56 | ||
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34 | ||
29 | ||
27 | ||
24 | ||
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11 | ||
6 | ||
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2 |
86 | 391 | 110 |
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66 | 45 | 64 | 77 | 67 | 60 | 40 | 31 | 34 | 41 | 33 | 29 |
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SPRING | 91 | |
WINTER | 86 | |
SUMMER | 78 | |
FALL | 30 |
United States | 241 | |
Canada | 35 | |
Norway | 17 | |
Russia | 11 | |
Svalbard and Jan Mayen | 5 | |
Iceland | 4 | |
Sweden | 3 | |
China | 2 | |
Finland | 2 | |
Ireland | 2 | |
Switzerland | 2 | |
Brazil | 1 | |
Cambodia | 1 | |
France | 1 | |
French Polynesia | 1 | |
Poland | 1 | |
Spain | 1 | |
United Kingdom | 1 | |
Uzbekistan | 1 |