Search our collection of background (non-event) articles from news media, science journals and other sources.
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113 | 83 | 108 | 122 | 115 | 136 | 120 | 143 | 122 | 69 | 85 | 80 |
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SUMMER | 357 | |
SPRING | 283 | |
WINTER | 275 | |
FALL | 258 |
United States | 518 | |
Canada | 128 | |
Russia | 39 | |
Norway | 35 | |
Iceland | 21 | |
Svalbard and Jan Mayen | 12 | |
Finland | 10 | |
Greenland | 9 | |
Sweden | 9 | |
United Kingdom | 6 | |
Japan | 4 | |
Australia | 3 | |
China | 3 | |
Greece | 3 | |
Mexico | 3 | |
Mongolia | 3 | |
Switzerland | 3 | |
Antarctica | 2 | |
Czech Republic | 2 | |
Denmark | 2 | |
France | 2 | |
Nigeria | 2 | |
Spain | 2 | |
Ukraine | 2 | |
Afghanistan | 1 | |
Cambodia | 1 | |
Cape Verde | 1 | |
Cocos Islands | 1 | |
Ecuador | 1 | |
Estonia | 1 | |
French Polynesia | 1 | |
Guatemala | 1 | |
Honduras | 1 | |
India | 1 | |
Ireland | 1 | |
Nepal | 1 | |
Pakistan | 1 | |
Poland | 1 | |
Puerto Rico | 1 | |
Romania | 1 | |
Saint Vincent and the Grenadines | 1 | |
Solomon Islands | 1 | |
Uzbekistan | 1 | |
Vietnam | 1 |