Feature

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  2. U.S. Biosurvey Reveals Worrisome Trends

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  3. High Blood Pressure Is Linked to Bone Loss

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  4. Grappling with Galaxy Formation

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  5. Biomedicine

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  6. Computers

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  7. Slumber’s Unexplored Landscape

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  8. Environment

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  9. Back Matter

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  10. Front Matter

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  11. Science News Books

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  12. Gut Feelings

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