20 Million Years Later, Russians Work To Drill Into Lake

Russian researchers in Antarctica are on the verge of piercing a hole through two miles of ice into an ancient lake, untouched by the light of day for some 20 million years. But it'll be a delicate process to break through without disturbing the pristine waters. Guest host David Green speaks with Antarctic researcher John Priscu about the process.

Source: http://www.npr.org/2012/02/04/146393720/20-million-years-later-russians-work-to-drill-into-lake?ft=1&f=1007

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