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17th July 2008, 11:30 PM
University of Alberta scientists contend they have the answer to mass extinction of animals and plants 93 million years ago. The answer, research has uncovered, has been found at the bottom of the sea floor where lava fountains erupted, altering the chemistry of the sea and possibly of the atmosphere.
More... (http://www.sciencedaily.com/releases/2008/07/080717095027.htm)
More... (http://www.sciencedaily.com/releases/2008/07/080717095027.htm)