Feature

  1. Waves in Steel Cause Turbine Wrecks

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  2. 81031

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  3. How Astronomers Will Observe Mars at Closest Approach

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  4. Astronomer-Artist to Observe at Yerkes Observatory

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  5. 163670

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  6. Hot Weather Clothing

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  7. Mt. Wilson to Measure Heat from Mars

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  8. Forest Pests at Work in Yellowstone Park

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  9. Grafted Potatoes Grow like Fruit

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  10. Food Palm Recommended for American Tropics

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  11. Army Worm Plague Checked

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  12. Fossil Elephants Found in Swamps of Minnesota

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