Vol. 72 No. #3
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More Stories from the July 20, 1957 issue

  1. “Practice” Cures Habit

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  2. Colored Bricks Have Hues Baked In

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  3. Wrist-Watch Size Dry-Storage Battery

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  4. Monday Morning Seen as Cause for “Colds”

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  5. New Machines and Gadgets

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  6. Nature Ramblings: The Perches

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  7. Front Matter

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  8. Radio Report on Health

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  9. Hungarian Scientists in U. S.

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  10. FTC Cracks down on Herb Medicines

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  11. Make New Element 102

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  12. Study Earth’s Inner Core

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  13. Passenger Helicopter Has Turbo-Prop Engines

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  14. [Photograph]: Weather Eye

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  15. Addicts Recall First Drink

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  16. Missile Failures Important

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  17. Robot “Brains” Figure Electric Power Schedules

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  18. Improved Storm Forecasts

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  19. Chickens Are Having Heart Beats Studied

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  20. [Photograph]: Highest Speed

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  21. Balloon Lifts Two Tons 104,000 Feet

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  22. Excessive Smoking Bad

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  23. Food Facts and Fables

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  24. Worms, Insects, Spiders Share Common Ancestor

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  25. Enzyme Aids Healing

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  26. [Photograph]: Silent Sound Waves

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  27. Polio Immunity Increases without Salk Vaccine

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  28. In Science Fields

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  29. Junior Scientists Start Early

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  30. Size of Raindrops Measured Exactly

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  31. Books of the Week

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  32. Clay Wings May Solve Aviation Problems

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  33. Plant Specialist Has Four Tips for Lawn Care

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  34. Learn to Swim for Safety

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