Vol. 55 No. #16
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More Stories from the April 16, 1949 issue

  1. DDT Action May Depend on Solution in Skin Lipids

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  2. New Machines and Gadgets

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  3. Front Matter

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  4. [Photograph]: Carrier-Based Blimp

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  5. Design for Peace Not War

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  6. Precision Calibrator for Aerial Cameras Developed

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  7. Sun’s Energy May Be Harnessed to Produce Food

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  8. Abnormal Offspring?

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  9. Test Airsickness Remedy

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  10. Inbreeding May Explain Elephants’ Fast Evolution

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  11. Lightweight Plastic Foam Is Good Insulating Agent

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  12. Toll Telephone Dialing

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  13. Government Issues Textbook on Airplane Powerplants

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  14. Get Interested in People

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  15. Cab-over-Engine Featured in New Helicopter

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  16. Closer to Foundation

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  17. Color Change in Oysters

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  18. Medals Awarded Patients Who Live with Diabetes

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  19. New Type Lighthouse Sends Radiobeacon Signals

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  20. International Temperature Scale Has New Refinements

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  21. Survival by Selection

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  22. In Science Fields

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  23. Tree Farming Is New Business

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  24. Award to Be Made for Kindness to Animals

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  25. Rats’ Ways Observed

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  26. Treatment for Dandruff

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  27. British to Raise Locusts Because of Roach Shortage

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  28. Nature Ramblings: Altar Flowers

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  29. Hospital Costs to Rise

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  30. Books of the Week

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