Vol. 56 No. #26

More Stories from the December 24, 1949 issue

  1. Books of the Week

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  2. Cheaper Paper from Wheat Straw Is Promised

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  3. Top Patents of the Year

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  4. Front Matter

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  5. DDT Conditioning Theory

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  6. Vitamin $text{B}_{12}$ Aids Growth

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  7. Radioactive Alcohol Is Tried on Rats

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  8. New Relief for Arthritics

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  9. Unified Science Is Possible

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  10. [Photograph]: For Child Cancer Victims

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  11. Scientist to Spend 92nd Birthday in African Jungle

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  12. Eva the Engineer Must Remember to Be Eve

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  13. Science Review for 1949

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  14. [Photograph]: Clue to Vanished People

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  15. [Photograph]: City Discovered

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  16. [Photograph]: Harvard Mark III

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  17. [Photograph]: “Operation Seasickness”

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  18. Ten Top Science Advances

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  19. Convulsions from Malaria

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  20. Aromatic Strawberries Are on the Way

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  21. Tropical Jumping Spiders Jump to Attract Mate

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  22. Fellowship Controversy

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  23. A-Bomb Causes Blindness

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  24. Silent Pop Sorghum May Soon Rival Popcorn

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  25. 1949 Airlines Death Rate Is Lowest in History

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  26. Prescription for Stable World Is Given

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  27. Anti-Histaminics Upset

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  28. Lenses Are Mass-Produced

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  29. Nature Ramblings: Mistletoe

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  30. Telescope Mirrors Heavens

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  31. U. S. and Canada Blitz Common Foe: Mosquitoes

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