Paper Casts Doubt on Dinosaur Death Theory

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Study Doubts Benefits of Anti-Bacterial Soap

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Scientists Blast Bush's Hydrogen Proposals

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Heroin in America: New Treatments

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U.S. OKs New Colon-Cancer Drug

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Hope for Hubble?

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Heroin in America: Life with Methadone

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Shortest Time Interval Measured

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D.C. Says Water Unsafe for Kids, Pregnant Women

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U.S., Vietnam to Study Unexploded Ordnance

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Heroin in America: From Patient to Addict

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Evangelicals Differ on Sex Education

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Kaiser Report: Children Targeted in Junk-Food Ads

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Heroin in America: Families Fight Back

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