Building a Space Elevator, from Science to Reality

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NASA Faces Space Station Dissent

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FDA Weighs Safety of Cloned Animal Products

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Cloned Food and the Food Supply

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Quantum Physics Work Nets Nobel

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Quantum Physics Work Captures Nobel Prize

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Proposed Federal Program Raises Nuclear Fears

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H-Bomb Pioneer Teller Remembered as Brilliant, Complex

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Columbia Report Blasts NASA's Culture

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Columbia Report

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Outage Probe Addresses Power Grid Failures

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