Feature

  1. Predict A-Bomb Fall-out

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  2. Plant Debris May Add to Hay Fever Suffering

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  3. [Photograph]: “Electric Wind Tunnel”

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  4. Discover Oldest Fossil

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  5. Environmental Diseases

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  6. Front Matter

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  7. The Burning Glass

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  8. Psychology in Skills

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  9. Sterilization of Food

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  10. Pacific Savages Grow Up

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  11. Books of the Week

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  12. Map Magnetic Field of Sun’s Surface

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