Feature

  1. Smoke Precipitator

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  2. Aviation and Architecture

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  3. Weather from Asia?

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  4. 30,000 Mummy Autopsies

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  5. Prohibition Investigated

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  6. Nature Ramblings: Hay Fever Weeds

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  7. Clay Tells of Ice Age

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  8. Indian Mound Hides Graves

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  9. To Study Ancient Races

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  10. First Glances at New Books

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  11. Anniversaries of Science

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  12. “Hard Boiled” Bacteria

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