Feature

  1. Patented Chemical Regulates Plant Growth

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  2. New Machines and Gadgets

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  3. Front Matter

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  4. Space Travel Menace

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  5. Growing Polio Virus Brings Quicker Diagnosis

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  6. Hovering Time of Charge over Atoms Is Measured

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  7. Rain Making Doubtful

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  8. Senior Citizens Month

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  9. Protection of Hearing

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  10. Magnetized Toys Help

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  11. Chemical Cause of IVY Itch Sought in Tests

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  12. Radio-Phosphorus Tells When Bone Grafts Heal

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