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Front Matter
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Psychosurgery: Carte Blanche?
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Swine Flu: A Reaction
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Planetary Comparisons
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Tangshan Quake: Portrait of a Catastrophe
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Lava Flow Causes 70 Deaths
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Extra Continent May Have Existed
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Solar Flares: Link to Thunderstorms
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Jensen: Environment Is a Factor in IQ
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Parents' Aloofness Slows Twins' Progress