Feature

  1. Understanding the Mind of Man

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  2. Glances at New Books

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  3. Cloth Clue to History

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  4. Cause of Stains Discovered

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  5. “Annealed” Meat

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  6. Nature Ramblings: Specters

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  7. Our Present-Day Wonders

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  8. The Future of Mankind

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  9. Classics of Science: An Ancestor of the Electric Motor

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  10. Front Matter

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  11. Army Studying Report on Explosive

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  12. Scientific Arson

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