Feature

  1. Gene May Alter Ritalin’s Effects in ADHD

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  2. One down: A Human Chromosome Sequenced

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  3. Biomedicine

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  4. Mutation Causes Rare Gum Disease

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  5. Biology

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  6. Physics

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  7. Vibrations Flit along Water’s Fast Lane

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  8. The Best Leonid Show Is Yet to Come?

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  9. Materials Science

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  10. Sooty Air Cuts China’s Crop Yields

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  11. More Big, Weird Flowers

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  12. The Trouble with Frogs

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