Astronomers Report Largest Star Explosion Yet
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A Mining Adviser's View of Global Warming
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New Trees May Blunt Effects of African Climate
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U.N. Security Council Debates Climate Change
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Gore on Climate Change: Scientists Respond
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Oldest Solar Observatory in Americas Found in Peru
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Study Casts Doubt on New World's First Settlers
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Underground Lakes May Help Explain Glacier Habits
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On the Trail of the Death Cap Mushroom
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U.N. Report Points to Fossil Fuels in Warming
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U.N. Prepares to Release Report on Climate Change
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Conference Focuses on Speed of Climate Change
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Getting a Charge Out of Manure and Seawater
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FDA Declares Cloned Food to Be Safe for Humans
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