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A blue gem for greener fuel

( -- Sapphire, a brilliant blue gemstone most familiar in jewelry, may soon play an important part in making coal a cleaner fuel source.

dateMar 19, 2010 in Engineering
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Digging deeper below Antarctica's Lake Vida

( -- Antarctica's Lake Vida, a geologic curiosity that is essentially an ice bottle of brine, is home to some of the oldest and coldest living organisms on Earth. Perpetually covered by more than 60 feet of ice, ...

dateSep 14, 2009 in Earth Sciences
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