Front Matter
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Sulfone Drug Effective Weapon against Tuberculosis
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Bottlenecks Broken by Use of Inventive Brains
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Hollywood-Produced Movie Aids in Fight on Syphilis
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Whipple's Comet Brightest at Middle of March
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Democracy Threatened by Lack of Neighborliness
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Old Tin Cans Chemically Exchanged Equally for Copper
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Yellow Fever Vaccination of Army Extends Procedure
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WPA Guidebooks Help Search for Birth Records
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In Science Fields
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Planet Trio
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Strange Ringed Star Found Resembling Gigantic Saturn
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Sulfur Fumes Liquefied Give Chemists Useful New Solvent
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Air Corps Is "Safest," at Least in Peacetime
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Oysters, like Cattle, Grow Fat in Rainy Years
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Nature Ramblings: Standardized Plant Names
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Analysis of Life Essence Is Now Made Possible
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Science Clubs of America
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New Machines and Gadgets
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First Glances at New Books
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