Feature

  1. Rheumatism a Disease

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  2. Americans to See Eclipse

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  3. Concerning Smallpox

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  4. First Fossil Collected

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  5. Nature Ramblings: Our National Bird

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  6. Scientific Method

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  7. Ants as Architects

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  8. First Glances at New Books

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  9. Anniversaries of Science

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  10. Front Matter

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  11. First Enzyme Isolated

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  12. [Photograph]: Lady and the Mammoth

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