Feature

  1. Chemical Collisions Cause Shuttle’s Halo

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  2. Dinosaurs’ Swan Song: Out with a Bang

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  3. Scar Wars: Designing a Chemical Weapon

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  4. Detecting Jupiter’s Tug on Radio Waves

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  5. Icy Clues Gleaned from Mercury’s Other Half

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  6. Depression Gets Anxious

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  7. Gone Eeling

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  8. Books

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  9. Numbers at Random

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  10. Biomedicine

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  11. Paleontology

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  12. Back Matter

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