Search our collection of background (non-event) articles from news media, science journals and other sources.
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456 | ||
114 | ||
104 | ||
90 | ||
80 | ||
57 | ||
50 | ||
39 | ||
38 | ||
35 | ||
19 | ||
18 | ||
9 | ||
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6 | ||
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5 | ||
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3 |
86 | ||
79 | ||
66 | ||
57 | ||
55 | ||
54 | ||
46 | ||
42 | ||
33 | ||
24 | ||
18 | ||
16 | ||
14 | ||
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12 | ||
8 | ||
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7 | ||
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5 | ||
3 | ||
3 | ||
2 | ||
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1 | ||
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1 | 1 | 1 | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 6 | 14 | 45 | 79 | 26 | 39 | 22 | 94 | 48 | 8 |
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33 | 36 | 37 | 35 | 20 | 47 | 26 | 30 | 33 | 33 | 32 | 35 |
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SUMMER | 81 | |
WINTER | 80 | |
FALL | 72 | |
SPRING | 67 |
United States | 136 | |
Canada | 19 | |
Norway | 11 | |
Russia | 7 | |
Greenland | 4 | |
Japan | 3 | |
Mexico | 3 | |
Svalbard and Jan Mayen | 3 | |
Iceland | 2 | |
Nigeria | 2 | |
Australia | 1 | |
Cocos Islands | 1 | |
Ecuador | 1 | |
French Polynesia | 1 | |
Greece | 1 | |
India | 1 | |
Solomon Islands | 1 | |
Vietnam | 1 |