Feature

  1. The Planetarium Miracle

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  2. Zoological Gardens

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  3. The Astronomer in Europe

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  4. Front Matter

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  5. [Editorial]

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  6. Not a Night Picture

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  7. Big Dipper a Guide to Constellations

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  8. Encephalitis Treatment

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  9. Reverser of the Love Philtre

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  10. “Perfect” Diet Gives Vitamin Clue

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  11. Evolution: Possibilities and Difficulties

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  12. Classics of Science: Helmholtz on Harmonizing Music

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