Cold and Deep: Antarctica's Lake Vostok has two big neighbors

By Sid Perkins, 15:54 PM April 15, 2008

Trapped beneath Antarctica's kilometers-thick ice sheet are two bodies of water that rival North America's Great Lakes, new analyses suggest. The geological setting of these huge, unfrozen lakes hints that they may harbor ecosystems that have been isolated for millions of years.

More than 140 lakes lie buried beneath varying thicknesses of Antarctic ice, but most of them are small and shallow, says Michael Studinger, a geophysicist at the Lamont-Doherty Earth Observatory in Palisades, N.Y. La...

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