Feature

  1. Antibody Level Key to ‘Flu Prevention

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  2. Mysterious L-Factor Helps Eggs Hatch

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  3. Chain Letter Lottery

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  4. New Instrument to Dilate Heart Valve

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  5. New Germanium Transistor

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  6. Moves Are to Cities

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  7. Land Conservation Needs Re-Shaping

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  8. High Blood Pressure Kills Old Chickens

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  9. Africa as Man’s Cradle

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  10. Many Skills for Rocketry

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  11. High School Junior Gives Zoo Rare Bear

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  12. Farm Implements Do Not Mix Soil Conditioners

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