Lecture 1. The scope of "life" -- lecture 2. More on the origin of life -- lecture 3. The organism and the cell -- lecture 4. Proteins, how things get done in the cell -- lecture 5. Which molecule holds the code? -- lecture 6. The double helix -- lecture 7. The nuts and bolts of replicating DNA -- lecture 8. The central dogma -- lecture 9. The genetic code -- lecture 10. From DNA to RNA -- lecture 11. From RNA to protein -- lecture 12. When mistakes happen -- lecture 13. Dividing DNA between dividing cells -- lecture 14. Mendel and his pea plants -- lecture 15. How sex leads to variation -- lecture 16. Genes and chromosomes -- lecture 17. Charles Darwin and "The origin of species" -- lecture 18. Natural selection in action -- lecture 19. Reconciling Darwin and Mendel -- lecture 20. Mechanisms of evolutionary change -- lecture 21. What are species and how do new ones arise? -- lecture 22. More on the origin of new species -- lecture 23. Reconstructing evolution -- lecture 24. The history of life, revisited -- lecture 25. From cells to organisms -- lecture 26. Control of gene expression I -- lecture 27. Control of gene expression II -- lecture 28. Getting proteins to the right place -- lecture 29. Genetic engineering and biotechnology -- lecture 30. How cells talk, signals and receptors -- lecture 31. How cells talk, ways that cells respond -- lecture 32. From one cell to many in an organism -- lecture 33. Patterns of early development -- lecture 34. Determination and differentiation -- lecture 35. Induction and pattern formation -- lecture 36. Genes and development .