Feature

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  2. Front Matter

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  3. Ion Engines: Key to Space

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  4. Ancient Meteor Split to Hit Earth Twice

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  5. Space Engine to Run Indefinitely on Battery

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  6. Plans Stress Home Care

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  7. Patents of the Week

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  8. Science versus Magic

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  9. Cheaper Water from Sea

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  10. Superconducting Magnet Generates High Field

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  11. Care for Aged Problem

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  12. Latest Medical News

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