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9. A Good Try Poses Problem

10. A Hereditary Tummy-Ache?

11. A Ministry of Truth

12. A Science Scoop by China

13. A Tax on Nutrition

14. A Test Tube Daddy

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25. Are Intelligence Tests Fair?

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30. Backsliding in Science

31. Big Decisions on Big Boom

34. Bootlegging Flag to the Moon

43. Can We Keep Mars Clean?

46. Cell Biology

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