Search our collection of background (non-event) articles from news media, science journals and other sources.
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37 | ||
25 | ||
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17 | ||
12 | ||
8 | ||
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156 | ||
37 | ||
35 | ||
32 | ||
16 | ||
11 | ||
11 | ||
11 | ||
11 | ||
11 | ||
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1 |
5 | 19 | 97 | 35 |
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14 | 10 | 17 | 17 | 16 | 14 | 18 | 16 | 9 | 9 | 9 | 7 |
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SUMMER | 23 | |
WINTER | 22 | |
SPRING | 21 | |
FALL | 11 |
United States | 78 | |
Canada | 8 | |
Norway | 5 | |
Iceland | 3 | |
Russia | 3 | |
China | 1 | |
French Polynesia | 1 | |
Ireland | 1 | |
Poland | 1 | |
Sweden | 1 |