Feature

  1. I.Q. Is What Surroundings and Experience Make It

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  2. Nature Ramblings: The Reich Regulates!

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  3. Radio Is Latest Aid in Battle against Snow

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  4. First Glances at New Books

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  5. First Glances at New Books

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  6. Front Matter

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  7. $1,000 AAAS Award Given for Paper on Root Pressure

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  8. Winner “Flabbergasted” Sees Many Problems Ahead

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  9. Secret of Sex Determination Sought with X-Ray Studies

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  10. Lost Continent Sought with Artificial Earthquake at Sea

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  11. [Photograph]: Scientists Relax

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  12. [Photograph]: Gall Insects and Insect Galls

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