Feature

  1. Books

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  2. Birds: Lightweights in the Genetic Sense

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  3. OTA Dies, but Its Analyses Will Live On

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  4. Stress Reaction May Bode Ill for Some Kids

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  5. Secret to Birds’ Mating Score: Speedy Sperm

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  6. Correction: Lighting up Biological Clocks

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  7. Conflicting ‘Facts’ about Radon

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  8. Biology

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  9. Physics

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  10. Heart Choice for Diabetics

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  11. Front Matter

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  12. Cancer Gene Screening Possible for Jews

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