Feature

  1. In Science Fields

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  2. New Machines and Gadgets

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  3. Ammunition for Insect War Found in South’s Own Soil

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  4. [Photograph]: Helldiver

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  5. Front Matter

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  6. New Industry Keeps Cars Running

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  7. Daylight Saving Time Will Move Us Closer to England

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  8. “Vegetable Ivory” May Be New Stuff for Buttons

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  9. V Symphony Has Good Tones for Air Raid Siren

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  10. Torrential Rains Held Responsible for Erosion

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  11. Science Clubs of America

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  12. Power for War Industries Will Be Increased

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