Rock sleuths: Researchers seek clues to atmospheric changes ahead of animal life
Tuesday, March 20, 2012 - 07:32
in Earth & Climate
For more than a decade, scientists have dismissed claims that examining carbon-rich rocks could yield clues to the atmospheric and oceanic conditions on Earth hundreds of millions of years ago, but now researchers at Harvard are challenging that belief, and suggesting that data gleaned from the rocks sheds light on how changes in the atmosphere and oceans helped set the stage for the emergence of animal life.
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