Search our collection of background (non-event) articles from news media, science journals and other sources.
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253 100% | ||
81 32% | ||
74 29% | ||
57 23% | ||
40 16% | ||
34 13% | ||
33 13% | ||
31 12% | ||
29 11% | ||
29 11% | ||
16 6% | ||
15 6% | ||
9 4% | ||
8 3% | ||
6 2% | ||
6 2% | ||
5 2% | ||
3 1% | ||
3 1% | ||
1 <1% |
76 30% | ||
62 25% | ||
48 19% | ||
33 13% | ||
27 11% | ||
25 10% | ||
23 9% | ||
16 6% | ||
15 6% | ||
14 6% | ||
14 6% | ||
9 4% | ||
8 3% | ||
8 3% | ||
7 3% | ||
5 2% | ||
4 2% | ||
4 2% | ||
4 2% | ||
3 1% | ||
3 1% | ||
3 1% | ||
3 1% | ||
3 1% | ||
2 <1% | ||
2 <1% | ||
1 <1% | ||
1 <1% | ||
1 <1% |
46 18% | ||
41 16% | ||
37 15% | ||
35 14% | ||
32 13% | ||
29 11% | ||
22 9% | ||
20 8% | ||
16 6% | ||
10 4% | ||
7 3% | ||
6 2% | ||
5 2% | ||
5 2% | ||
4 2% | ||
4 2% | ||
3 1% | ||
2 <1% | ||
2 <1% | ||
2 <1% | ||
1 <1% | ||
1 <1% |
1 | 1 | 1 | 1 | 1 | 1 | 4 | 4 | 6 | 13 | 45 | 78 | 25 | 39 | 6 |
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18 | 18 | 18 | 15 | 13 | 24 | 19 | 18 | 22 | 20 | 21 | 20 |
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FALL | 63 | |
SUMMER | 61 | |
WINTER | 56 | |
SPRING | 46 |
United States | 53 | |
Canada | 13 | |
Norway | 6 | |
Greenland | 4 | |
Russia | 4 | |
Mexico | 3 | |
Japan | 2 | |
Nigeria | 2 | |
Svalbard and Jan Mayen | 2 | |
Australia | 1 | |
Cocos Islands | 1 | |
Ecuador | 1 | |
Greece | 1 | |
Iceland | 1 | |
India | 1 | |
Solomon Islands | 1 | |
Vietnam | 1 |