Feature

  1. Maya Writings Sought

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  2. Vesuvius Rumbles

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  3. Heat from Heart Beat

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  4. Star Games

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  5. Building and Flying Model Airplanes: Making the Power Plant

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  6. Children’s Work at the Brooklyn Botanic Garden

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  7. Hottest Place on Earth

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  8. Building and Flying Model Airplanes

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  9. Front Matter

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  10. Fight Heat Deaths

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  11. Anniversaries of Science

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  12. $4,500,000 Dirigible to Give U. S. Air Lead

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