Feature

  1. Pushing Back Lunar History to 4.15 Billion Years

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  2. Back Matter

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  3. Does the Mass of an Object Increase with Time?

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  4. New Products

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  5. Luna 18 Fails

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  6. Sea Life’s Chemical Senses

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  7. Grand Tour, Shuttle Threatened

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  8. NSF Aide Resigns over Budget

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  9. Far Side: Study of Contrast

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  10. Cancer and Viruses: Need for Caution

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  11. Back Matter

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  12. Overpopulation

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