Feature

  1. Electricity Fathers Worms

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  2. Center of North America

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  3. Errors Corrected

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  4. Back Matter

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  5. Mathematician as Motorist

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  6. Pale Leaves: Few Vitamins

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  7. Gifted Children a Problem

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  8. Crystals Regulate Radio

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  9. Anniversaries of Science

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  10. Sunspots on Increase

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  11. Purifying Sex Hormone

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  12. Cave Man Treasured Fossil

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