Feature

  1. Microphones in Vaults

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  2. Translates Glozel Writing

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  3. First Glances at New Books

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  4. Anniversaries of Science

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  5. Model Airplane Contest

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  6. “Alchemist” Tests Fail

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  7. Back Matter

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  8. Front Matter

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  9. History of Lighting Traced by Science

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  10. Bird Baths Attract Feathered Friends

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  11. Bird Photography

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  12. Nature Coordination

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