An ocean of water appears to be tied up in minerals of the mantle 400 miles below the surface, according to an analysis of seismic waves passing through the deep earth. Link: The Earth’s Hidden Ocean ; ;Related ArticlesDot Earth: Indian Point’s Tritium Problem and the N.R.C.’s Regulatory ProblemDot Earth Blog: Indian Point’s Tritium Problem and the N.R.C.’s Regulatory ProblemWith Data and Resolve, Tacoma Fights Pollution ;
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