Feature

  1. Sand-Paper Lithographer Invented by Artist

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  2. A Prehistoric Tree

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  3. The New Sunspot Cycle Sets In

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  4. Monopoly on Tornadoes Held by America

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  5. Contagious Health

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  6. 156514

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  7. Ocean Conference Plans Survey of Unknown Seas

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  8. 73876

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  9. Greeks Used Sloping Roof 3000 Years Ago

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  10. Scientist Transplants Beating Heart into New Body

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  11. Bad Weather Helps American Health

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  12. Astronomical Mist Cleared by Mathematics

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