Search Results for: Dinosaurs

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  1. Front Matter

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  2. Fossil Horses in America: “A Classic of Science”

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  3. Volume Information

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  4. Ten-Year Sunspot Cycles Found in “Dearth” Periods

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  5. Front Matter

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  6. [Photograph]: Uglier than Big

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  7. In Science Fields

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  8. In Science Fields

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  9. Land Animals Small When Coal Was Forming

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  10. Most Patients Recover from Quick-Striking Mental Disease

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  11. [Photograph]: Rocky Mountain Reptiles of Sixty Million Years Ago

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  12. Resistance to Poliomyelitis May Be an Inherited Trait

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