4. Are People Getting Smarter or Dumber?

Chapters in this book

1. Frontmatter i
2. Contents vii
3. Acknowledgments ix
4. 1. Introduction 1
5. 2. Is Homosexuality Primarily Innate? 8
6. 3. Is Intelligent Design a Scientific Alternative to Evolution? 41
7. 4. Are People Getting Smarter or Dumber? 78
8. 5. Can We Influence Matter by Thought Alone? 104
9. 6. Should You Worry about Global Warming? 138
10. 7. Is Complex Life in the Universe Very Rare? 188
11. 8. Can a Sugar Pill Cure You? 222
12. 9. Should You Worry about Your Cholesterol? 263
13. 10. Epilogue 305
14. Notes 311
15. Index 337