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1. 

   Oldest American Newspaper Still Well Preserved

   By Science NewsApril 11, 1931

2. 

   Mauna Loa, Hawaiian Volcano, Will Erupt within Three Years

   By Science NewsApril 11, 1931

3. 

   Cotton Was Raised in Year One by Indians of Arizona

   By Science NewsApril 11, 1931

4. 

   First Glances at New Books

   By Science NewsApril 11, 1931

5. 

   Front Matter

   By Science NewsApril 4, 1931

6. 

   Because World Is Not Wholly Reliable It Has Human Meaning

   By Science NewsApril 4, 1931

7. 

   Rays, Atoms and Vitamins Discussed by Chemists

   By Science NewsApril 4, 1931

8. 

   [Photograph]: Holy City of Ancient Peru

   By Science NewsApril 4, 1931

9. 

   Test Devised for Measuring Efficiency of the Heart

   By Science NewsApril 4, 1931

10. 

    Stone-Age Men in Asia Probably Ate Ostriches

    By Science NewsApril 4, 1931

11. 

    [Photograph]: Worshipped in Ur 2000 B.C.

    By Science NewsApril 4, 1931

12. 

    April 9, 30 A. D. First Easter, German Investigator Declares

    By Science NewsApril 4, 1931