Feature

  1. Great Epidemics Coming

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  2. Geological Survey Funds

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  3. Disease-Resistant Grass Developed

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  4. Nature Ramblings: Baits for “Bugs”

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  5. Two Ocean Instruments

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  6. Devise New Heart Test

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  7. Reveal Personality Traits

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  8. Weed-Caused Damage Measured in Inches

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  9. New Machines and Gadgets

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  10. Front Matter

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  11. Types of Union Men

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  12. Thick-Shelled Eggs Produced

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