Vol. 39 No. #12

More Stories from the March 22, 1941 issue

  1. [Photograph]: Preliminary Test

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  2. Astronomers’ 1942 Almanac Has Material from Abroad

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  3. Inventions to Widen Arcs of Fire from Machine Guns

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  4. [Photograph]: Grinding

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  5. Students to Be Deferred If Rated as “Necessary”

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  6. [Photograph]: For Control

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  7. Draft Boards Urged to Give Consideration to Students

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  8. Even Nurture in the Wild Will Not Destroy Intelligence

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  9. Imbalance of B Vitamins Declared Possible Danger

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  10. [Photograph]: Slosh Tester

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  11. Sedgley Submachine Gun Lighter than German One

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  12. In Science Fields

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  13. Plastic Packages

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  14. Israelites of Bible Credited with High Skill in Medicine

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  15. [Photograph]: Safe

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  16. Important Explosives Chemical Can Be Made from Petroleum

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  17. Enzyme That Darkens Potatoes May Aid High Blood Pressure

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  18. Ethiopian Climate Now like Arizona’s Long Ago

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  19. Parts of Jerusalem’s Third Wall Revealed at Last

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  20. Mystery of Cretan Writing Solved as Isle Is Air Base

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  21. Skin Test for Pregnancy Gives Answer in One Hour

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  22. Nature Ramblings: Battling Bindweed

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  23. Improved Submachine Gun, Anti-Aircraft Weapon Patent

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  24. First Glances at New Books

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  25. Front Matter

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  26. Radio Stations’ Moving Day Is Coming on March 29

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