Feature

  1. Front Matter

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  2. Van, Ancient City in Turkey, to Be Explored by Americans

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  3. Rival Types of Baseballs Given Scientific Tests

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  4. Mineral Veins in Rockies Younger than Mountains

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  5. Arabs, Indians Related, Blood Type Shows

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  6. First Glances at New Books

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  7. Spring Comes

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  8. New Saliva Test Indicates Likelihood of Tooth Decay

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  9. Ancient Rocks Identified by Two Trilobite Genera

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  10. Draw-Casting New Trick in Making Copper Rods

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  11. Dead Men’s Heads Carved on Ancient Temple in Peru

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  12. Pueblo War Songs Link Indians with Far East

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