Feature

  1. Light Halo Hints at a Galaxy’s Dark Matter

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  2. Number 12 Steps up to Bat

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  3. Back to the Jurassic in Space-Age Subs: Deep-Ocean Exploration for the Next Millennium

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  4. Earth Science

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  5. Technology

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  6. Back Matter

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  7. Front Matter

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  8. Books

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  9. U.S. Role in Gulf War Illness

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  10. Breast Implants Still Dangerous

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  11. Correction: Tick Threats

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  12. Clinton Team Announces Science Policy

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