Search our collection of background (non-event) articles from news media, science journals and other sources.
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94 | ||
80 | ||
55 | ||
49 | ||
49 | ||
45 | ||
30 | ||
22 | ||
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16 | ||
14 | ||
13 | ||
6 | ||
3 | ||
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1 | ||
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88 | ||
77 | ||
60 | ||
55 | ||
46 | ||
37 | ||
35 | ||
35 | ||
35 | ||
34 | ||
25 | ||
21 | ||
20 | ||
16 | ||
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15 | ||
15 | ||
10 | ||
6 | ||
3 | ||
3 | ||
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2 | ||
1 |
248 | 119 |
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30 | 11 | 15 | 26 | 61 | 54 | 34 | 25 | 24 | 36 | 27 | 24 |
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SUMMER | 62 | |
SPRING | 31 | |
FALL | 18 | |
WINTER | 13 |
United States | 146 | |
Canada | 26 | |
Norway | 9 | |
Russia | 7 | |
Iceland | 2 | |
Ireland | 2 | |
Sweden | 2 | |
Brazil | 1 | |
China | 1 | |
Finland | 1 | |
France | 1 | |
French Polynesia | 1 | |
Poland | 1 | |
Svalbard and Jan Mayen | 1 | |
Switzerland | 1 | |
United Kingdom | 1 |