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Antarctic and Arctic regions South Pole National Satellite Meteorological Center Arctic polar region North and south poles
03-26
North and south poles Antarctica Arctic Higher
03-22
Microplastics Arctic Springer Nature
03-18
Eskimo heat preservation Arctic Hsilu microtherm Native American
03-01
Beiyang Government William Barents Svalbard Treaty of Svalbard Arctic Duan Qirui
01-12
Duan Qirui Treaty of Svalbard Svalbard Arctic Paris Peace Conference republic
01-05
Arctic Treaty of Svalbard Svalbard France_History Beiyang Government java
01-01
Hitler Nazi Escape plan Ernest Koenig Arctic Eva Braun
12-17