Critics Question Accuracy of Fetus Sex Test

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Hunt for Civil War-Era Sub Continues

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Gas Price Spike Sparks Interest in Alternative Fuels

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Why Louisiana Communication Networks Failed

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Anti-Fog Coating May Be First to Be Permanent

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Experts Question Effectiveness of SPF Clothing

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NASA: No Progress on Shuttle Safety Issue

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Towering Waves May Be Norm for Hurricanes

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Dental Technology Finds Cavities with Light Beam

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