Feature

  1. First Glances at New Books

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  2. On the Study of Popular Sayings

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  3. Classics of Science: Rumford on Heat from Friction

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  4. Front Matter

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  5. Maya Religious Treasure Exhibitedin U.S.

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  6. Scientists to Explore Dog’s World

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  7. Imprisoned Light

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  8. Mound Yields 100 Skeletons

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  9. Training Indian Boys

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  10. How to Make Your Own Radiovisor

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  11. Aqueous Intoxication

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  12. Radio Produces Artificial Fever

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