Search our collection of background (non-event) articles from news media, science journals and other sources.
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171 100% | ||
82 48% | ||
43 25% | ||
38 22% | ||
31 18% | ||
23 13% | ||
17 10% | ||
16 9% | ||
12 7% | ||
12 7% | ||
10 6% | ||
8 5% | ||
8 5% | ||
8 5% | ||
8 5% | ||
6 4% | ||
5 3% | ||
2 1% | ||
1 <1% |
77 45% | ||
42 25% | ||
30 18% | ||
24 14% | ||
13 8% | ||
12 7% | ||
11 6% | ||
10 6% | ||
10 6% | ||
8 5% | ||
5 3% | ||
5 3% | ||
4 2% | ||
3 2% | ||
3 2% | ||
2 1% | ||
1 <1% | ||
1 <1% | ||
1 <1% | ||
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1 <1% | ||
1 <1% | ||
1 <1% |
63 37% | ||
44 26% | ||
43 25% | ||
26 15% | ||
24 14% | ||
22 13% | ||
13 8% | ||
10 6% | ||
10 6% | ||
5 3% | ||
5 3% | ||
4 2% | ||
4 2% | ||
4 2% | ||
3 2% | ||
3 2% | ||
3 2% | ||
2 1% | ||
2 1% | ||
2 1% | ||
2 1% | ||
1 <1% | ||
1 <1% | ||
1 <1% |
1 | 1 | 2 | 1 | 1 | 1 | 2 | 3 | 8 | 24 | 56 | 23 | 22 | 7 |
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15 | 13 | 6 | 5 | 10 | 10 | 18 | 15 | 15 | 15 | 16 | 14 |
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FALL | 46 | |
SUMMER | 43 | |
WINTER | 42 | |
SPRING | 21 |
United States | 39 | |
Canada | 16 | |
Russia | 3 | |
Australia | 2 | |
Norway | 2 | |
Greece | 1 | |
Greenland | 1 | |
India | 1 | |
Nigeria | 1 | |
Svalbard and Jan Mayen | 1 | |
Vietnam | 1 |