Search our collection of background (non-event) articles from news media, science journals and other sources.
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72 | 61 | 90 | 99 | 77 | 75 | 51 | 40 | 49 | 48 | 43 | 40 |
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SPRING | 149 | |
WINTER | 119 | |
SUMMER | 113 | |
FALL | 60 |
United States | 285 | |
Canada | 52 | |
Norway | 19 | |
Russia | 15 | |
Iceland | 7 | |
Svalbard and Jan Mayen | 6 | |
Finland | 4 | |
China | 3 | |
Sweden | 3 | |
United Kingdom | 3 | |
Ireland | 2 | |
Switzerland | 2 | |
Brazil | 1 | |
Cambodia | 1 | |
Estonia | 1 | |
France | 1 | |
French Polynesia | 1 | |
Honduras | 1 | |
Japan | 1 | |
Pakistan | 1 | |
Poland | 1 | |
Saint Vincent and the Grenadines | 1 | |
Spain | 1 | |
Uzbekistan | 1 | |
Vietnam | 1 |