Feature

  1. New Clotting Factor Extracted from Blood

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  2. Mechanical Dancer Puts Rumble in Rhumba

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  3. Coronary Optimism

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  4. Discover Soul Boat

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  5. Link 1,800 Counters to Record Cosmic Rays

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  6. New Machines and Gadgets

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  7. Front Matter

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  8. Oppenheimer’s “Security”

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  9. [Photograph]: Rocket’s Roar

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  10. [Photograph]: Largest Plastic Balloon

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  11. “Oppy” Findings Scored

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  12. Scientists’ Group Raps U. S. Security System

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