Feature

  1. American Chestnut Now near Extermination

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  2. 160170

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  3. Frame Houses Safest from Tornadoes

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  4. 156544

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  5. Danish Scientist Studies Eels of Pacific

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  6. Oil of Wintergreen Found Poisonous Internally

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  7. Machine Cleans Apples by Slapping

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  8. 73905

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  9. 70219

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  10. 77531

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  11. Crystalline Insulin Requires Long Study

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  12. Ancient Earthquakes Reveal Ancestors of Maya Race

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