Feature

  1. Underground Factories

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  2. Disabled Have Accidents

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  3. New Machines and Gadgets

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  4. Monkeys Use Concept

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  5. Spherical Maps Save Space, Can Be Turned Quickly

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  6. Books of the Week

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  7. Two Earthquakes Recorded Weekend of April 14-15

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  8. Vitamins for Doughnuts?

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  9. Books of the Week

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  10. Microwave Radio Relay

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  11. Play That Heals

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  12. Invisible Glass Wins Award for Dr. Blodgett

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