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  1. Jupiter, Evening Planet

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  2. To Observe Eclipse

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  3. New Machines and Gadgets

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  4. Exploding Phosphorus Atoms Tell Where to Put Fertilizer

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  5. Rabbit Egg Transplants

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  6. In Science Fields

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  7. Ride on a Cushion of Air

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  8. Few Planets in March Sky

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  9. Nature Ramblings: Mississippi Catfish

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  10. Scientific Achievements of 1930 Pass in Review

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  11. Domestic Occupations of the Eskimos: “A Classic of Science”

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  12. Japan Opened to Foreign Commerce: “A Classic of Science”

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