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1. 

   Back Matter

   By Science NewsApril 29, 1978

2. 

   Back Matter

   By Science NewsFebruary 11, 1989

3. 

   Back Matter

   By Science NewsJune 17, 1989

4. 

   Back Matter

   By Science NewsNovember 17, 1990

5. 

   Back Matter

   By Science NewsMarch 7, 1992

6. 

   Back Matter

   By Science NewsMarch 28, 1992

7. 

   Science News Books

   By Science NewsApril 25, 1992

8. 

   Back Matter

   By Science NewsOctober 10, 1992

9. 

   Back Matter

   By Science NewsOctober 24, 1992

10. 

    Average Accuracy

    By Science NewsNovember 7, 1992

11. 

    Back Matter

    By Science NewsNovember 21, 1992

12. 

    Back Matter

    By Science NewsDecember 12, 1992