ANTARCTIC BIOGEOCHEMISTRY: Icy Life on a Hidden Lake
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Lake Vostok, one of Earth's most hidden lakes, is located underneath more than 3 km of ice in the coldest, most remote part of Antarctica. An ice core that almost reaches the lake has been recovered. Jouzel et al. show that the lowest parts of this ice core consist of lake ice, in contrast to the overlying ice, which is glacial in origin. Karl et al. and Priscu et al. have analyzed bacteria from the lake ice that give clues to life in the underlying lake.