Feature

  1. Knotting Weakens a Polymer Molecule

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  2. Ready, Aim, Squirt

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  3. Spider Solidarity Forever

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  4. Biomedicine

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  5. Computers

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  6. Physics

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  7. Back Matter

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  8. Front Matter

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  9. Science News Books

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  10. Living-Cell Dialysis Works on Dogs

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  11. Last Drop Squeezed from Recycled Tires

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  12. Dust from Long Ago Made Leonid Fireballs

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