Feature

  1. Front Matter

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  2. Politics in the Laboratory Use Scientific Methods

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  3. In Science Fields

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  4. First Glances at New Books

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  5. April Evening Skies

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  6. St. Patrick’s Day Quake near Pribilof Islands

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  7. First Direct Photographs of Sun’s Hydrogen Flames Made

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  8. More Children Headed for Asylums than for College

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  9. Calcium Fails to Stop Cancer; Pepsin Index to Ulcer State

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  10. Powdered Sugar May Run European Automobiles

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  11. Spring Found to Be Season of Least Growth in Children

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  12. Beryllium Atoms Radioactive; New Helium Variety Predicted

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