Vol. 56 No. #4

More Stories from the July 23, 1949 issue

  1. Language, Poisonous Fish Included in SIM Program

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  2. Nature Ramblings: National Flowers

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  3. Insects Destroy Wood

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  4. Books of the Week

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  5. Check Stomach Bleeding

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  6. Veterinary Case Histories of Diseases Indexed

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  7. New Machines and Gadgets

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  8. Front Matter

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  9. Gasifier Converts Coal

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  10. Search for Hidden Ores

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  11. Plan Study of Sun with Balloons over Hudson Bay

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  12. Canada’s Gold Mined in World’s Oldest Rocks

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  13. Body Builds Fat in Aging

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  14. Racial, Religious Hatreds May Stem from Self Hate

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  15. [Photograph]: Sectional Cargo Boat

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  16. Officers Learn to Read at 488 Words Per Minute

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  17. Infant Diarrhea Relieved

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  18. Plastic False Lung Made

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  19. New Mechanical Spring

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  20. ‘Teen-Age Boy Wins Prize for Devotion to His Dog

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  21. Long-Lived Crystals

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  22. Steel-Making in Russia

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  23. Plastic Balloons to Carry Instruments Higher

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  24. Chart on Mammals Lists Biologic Characteristics

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  25. Long-Range Transmission

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  26. Electricity May Help Insect-Catching Plant

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  27. Ultrasonic Generator Utilizes Quartz Crystals

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  28. In Science Fields

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  29. Jupiter Now Prominent

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  30. Survey Milky Way Stars

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  31. River Basin Planning

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  32. Ocean-Spanning Rockets

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  33. Two Types of Jet Engines Power Flying Wing Bombers

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  34. Water Use Increasing

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  35. Plane Time-Saving Routes

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