Vol. 19 No. #510

More Stories from the January 17, 1931 issue

  1. Airplane Travel Develops Remote Canadian Wilds

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  2. Pluto Discoverer Awarded British Medal and Prize

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  3. Fungus Causes Lung Disease like TB

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  4. Shoulder Blades Yield a Secret

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  5. Margarin Made from Palm Oil Becomes Competitor of Butter

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  6. Hot Photocells Give Largest Currents

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  7. Synchronized Broadcasting Successful in Six-Month Test

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  8. Bronzes Lent by Boston to Grace Persian Exhibit

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  9. In Science Fields

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  10. More than 99 Per Cent Steam Wasted by Big Boat Whistles

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  11. Christmas Eve Meteor May Have Showered Stones

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  12. New Vacuum Tube Detects Smallest Electric Current

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  13. The Theory of the Gene: “A Classic of Science”

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  14. Pigeon Vaccine Prevents Fowl Pox

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  15. Possible New Northern Light like Celestial Searchlight

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  16. Mammoth Beryl Crystal Added to Famous Collection

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  17. U. S. Radium May Compete with Foreign Product

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  18. More Food Value in Sweet than in Irish Potato

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  19. Embalmed Gorillas Secured for New York

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  20. Nature Ramblings: Winter Garments

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  21. Indians Were Peaceable People Made Warlike by Whites

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  22. First Glances at New Books

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  23. Front Matter

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  24. Spring-Built Molecule Models Simulate Vibration of Atoms

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  25. An American Romance in Steel and Steam

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