Feature

  1. Front Matter

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  2. Submarine Valley and Ridge Discovered

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  3. Where Oil Comes From

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  4. Universe Dying Unless Matter Created

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  5. Aztec Treasures from Mexican Pyramid

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  6. “Modern” Insects Prefer Bright Lights

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  7. Spring Constellations Now in Sky

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  8. Writing of Ancient India Stirs Scholars

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  9. Stone Age Descendants in Africa

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  10. First False Teeth

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  11. First Glances at New Books

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  12. Nature Ramblings: Beaver Ways

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