Search our collection of background (non-event) articles from news media, science journals and other sources.
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95 | ||
78 | ||
57 | ||
55 | ||
50 | ||
49 | ||
30 | ||
23 | ||
18 | ||
16 | ||
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13 | ||
5 | ||
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2 | ||
1 | ||
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1 |
93 | ||
78 | ||
57 | ||
51 | ||
45 | ||
37 | ||
35 | ||
34 | ||
33 | ||
31 | ||
24 | ||
19 | ||
17 | ||
17 | ||
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14 | ||
13 | ||
6 | ||
4 | ||
4 | ||
3 | ||
2 | ||
2 | ||
1 |
221 | 157 |
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31 | 12 | 15 | 23 | 39 | 55 | 65 | 27 | 24 | 36 | 27 | 24 |
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SUMMER | 73 | |
SPRING | 19 | |
FALL | 18 | |
WINTER | 13 |
United States | 143 | |
Canada | 29 | |
Russia | 9 | |
Norway | 7 | |
Iceland | 3 | |
Sweden | 2 | |
Brazil | 1 | |
China | 1 | |
Finland | 1 | |
France | 1 | |
French Polynesia | 1 | |
Ireland | 1 | |
Italy | 1 | |
Poland | 1 | |
Svalbard and Jan Mayen | 1 | |
Switzerland | 1 | |
United Kingdom | 1 |