Search our collection of background (non-event) articles from news media, science journals and other sources.
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92 | ||
69 | ||
52 | ||
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47 | ||
44 | ||
29 | ||
18 | ||
15 | ||
15 | ||
13 | ||
13 | ||
4 | ||
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2 | ||
1 | ||
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85 | ||
75 | ||
56 | ||
49 | ||
42 | ||
33 | ||
33 | ||
32 | ||
29 | ||
27 | ||
23 | ||
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16 | ||
16 | ||
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13 | ||
12 | ||
6 | ||
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2 | ||
1 |
187 | 156 |
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31 | 12 | 15 | 23 | 22 | 38 | 65 | 26 | 24 | 36 | 27 | 24 |
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SUMMER | 62 | |
FALL | 18 | |
WINTER | 13 | |
SPRING | 7 |
United States | 133 | |
Canada | 28 | |
Russia | 9 | |
Norway | 6 | |
Iceland | 3 | |
Brazil | 1 | |
China | 1 | |
French Polynesia | 1 | |
Ireland | 1 | |
Italy | 1 | |
Poland | 1 | |
Svalbard and Jan Mayen | 1 | |
Sweden | 1 | |
Switzerland | 1 | |
United Kingdom | 1 |