Feature

  1. The Menace of America

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  2. Nature Ramblings: Pike

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  3. Romans Welded Iron

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  4. Scientific Arson

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  5. Front Matter

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  6. Rays Harm Plants

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  7. Insects Make Late Appearance

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  8. Antlered Female Deer

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  9. Army Studying Report on Explosive

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  10. Earthquake Reveals Mexican Jewels

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  11. Helium Placed on Open Market

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  12. Classics of Science: William Banting on Corpulence

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