Feature

  1. Books of the Week

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  2. Detecting Ills by Sound

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  3. Tunnel Gets Gas Detector

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  4. Water Fog Effective as Fire Extinguisher

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  5. Polio Immunity Temporary

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  6. Computer Has “Memory”

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  7. New Blood Pressure Ill

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  8. Front Matter

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  9. New Machines and Gadgets

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  10. Baby Learning to Talk Follows Development Law

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  11. New Three-Jet Plane Will Destroy Ground Targets

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  12. Cancer in Mentally Ill

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