Feature

  1. American Philosophical Society 200 Years Old

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  2. Borings Yield Steam Power

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  3. First Glances at New Books

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  4. Vanadium Obtained Pure

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  5. Sugar from Wood

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  6. Clues to Norsemen

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  7. Front Matter

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  8. Time Keeper on Light

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  9. Flowers Re-Tell Old Fairy Tales

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  10. Sexes “War” before Birth

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  11. New Electrical Insulator

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  12. Science for the Millions

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