Feature

  1. Infantile Paralysis Waxing

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  2. Summer Measles Dangerous

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  3. Life Extension Valuable

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  4. Anniversaries of Science

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  5. Broadcast Gunfire

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  6. Heat from Heart Beat

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  7. Mars’ Canals Not Man-Made

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  8. Anniversaries of Science

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  9. Cluster Specialist

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  10. Hottest Place on Earth

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  11. Lamp Tells Sound Speed

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  12. First Glances at New Books

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