Vol. 37 No. #26

More Stories from the June 29, 1940 issue

  1. America’s 16th Cyclotron to Be Built at Illinois

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  2. First Glances at New Books

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  3. Volume Information

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  4. Front Matter

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  5. National Defense Research Committee Sets to Work

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  6. [Photograph]: “Flying Fortress”

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  7. New Kind of Vaccination Will Prevent Lockjaw

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  8. Chewing while Talking Aids Deaf to Speak

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  9. X-Ray Pictures Taken in Millionth of a Second

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  10. Water Softening Method May Separate Uranium 235

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  11. Airplane Engine Production to Pass 25,000 by December

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  12. Layer of Lava on Moon Would Explain Cooling

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  13. Northern Lights Copied by Current through Nitrogen

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  14. Summer in the Sky

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  15. Cosmic Ray Particles Mostly Die on Trip to Earth

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  16. Cold Walls Get Dirty Faster than Warm Ones

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  17. Program for National Defense on Health Front Presented

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  18. Hitler’s Success Attributed to Personality Factors

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  19. Steel Welding Process Produces Fireworks

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  20. X-Ray Spray Gives Better Treatment for Leukemia

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  21. Erratum: In Science Fields: Salmon Taken for a Ride to Get Around a Dam

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  22. Erratum: In Science Fields: Three New White Dwarfs Weigh 3 Tons Per Inch

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  23. Erratum: Find New Weapon against Influenzal Meningitis

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  24. Erratum:

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  25. Erratum: Auto Industry Contemplates Use of Polarized Light

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  26. Erratum: In Science Fields: Gas from Apples Removes Leaves from Rosebush

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  27. Erratum: In Science Fields: Metallic Sodium Loaded as Liquid, Shipped Solid

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  28. Erratum: New Written Language Makes Debut in America

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  29. Erratum: In Science Fields: Press in Airplane Plant Stretches Metal in Sheets

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  30. Erratum: Virus Disease Transmitted along with Bud Grafts

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  31. Erratum: Negro’s Ability to Stand High Temperatures Important

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