Vol. 57 No. #12
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More Stories from the March 25, 1950 issue

  1. Self-Starter Eliminates Ground Power Aid Need

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  2. Match-Head Size Radio Tube Lightens Equipment

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  3. Books of the Week

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  4. Chemical Fights Leprosy

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  5. New Machines and Gadgets

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  6. Front Matter

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  7. Help in Water Problem

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  8. Clue to Gold in Ashes

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  9. Shaking Dust Mop out Window Outmoded

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  10. Needed: Improvement in American Civil Airports

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  11. “Toothpaste-Tube” Pump Handles Corrosive Material

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  12. Separate Purer Part ACTH

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  13. [Photograph]: Uranium Shadow Show

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  14. Bauxite by-Products Are Recovered by New Process

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  15. Plant Timothy Grass Seeds Close for Large Crop

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  16. Death Rays Kill Insects

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  17. Heart Uses Real Blood

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  18. Retort to Velikovsky

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  19. Germanium Radiation Counter Developed

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  20. Radar Now Maps Human Heart and Brain

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  21. Californium Element 98

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  22. Missile’s Speed in Water

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  23. Waves Remove Fine Dust, Chemical Mists from Gases

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  24. Gov’t Bureaus Attack Bill

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  25. Insect Vision Clue

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  26. [Photograph]: For Nuclear Research

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  27. In Science Fields

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  28. Mercury Visible at Twilight

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  29. Age of Uranium Deposits Clue to Their Location

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  30. Human Pregnancy Detected Earlier by New Test

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  31. The Flying Saucer Mystery

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  32. Best Truth Serum Yet

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  33. Nature Ramblings: Bobwhite

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