Feature

  1. In Science Fields

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  2. New Beet Variety Resists Disease

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  3. Surgeon Suggests Golden Rule to Combat Nervous Troubles

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  4. Sharks May Have Saved World for Vertebrates

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  5. Raising Houseflies Now a Business

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  6. Different Breathing May Cause Scientists’ Diverging Views

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  7. Maclure on North American Geology: “A Classic of Science”

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  8. Front Matter

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  9. Super-Atomic Bullets Smash Lithium Atoms for Americans

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  10. “Oldest American House” Dated by Tree Calendar

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  11. First Glances at New Books

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  12. Monkey-like Animal Found in German Lignite Mine

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