Feature

  1. Measured Heart Damage

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  2. Live Vaccine Licensed

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  3. Change Proposed in Sex-Determination Ideas

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  4. Allow Patients to Talk

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  5. Sun-Powered Generator

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  6. Cure for Animal Muscle Deterioration

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  7. The Way of the Honeybee

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  8. Front Matter

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  9. Earth Once Glowed

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  10. Antarctic Research Program Planned

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  11. Polio Spread in Cells

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  12. Vertical Filter Plant for Reducing Waste

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