Part One. Lost in the cosmos. 1. How to build a universe -- 2. Welcome to the Solar System -- 3. The Reverend Evans's universe -- Part Two. The size of the Earth -- 4. The measure of things -- 5. The stone-breakers -- 6. Science red in tooth and claw -- 7. Elemental matters -- Part Three. A new age dawns -- 8. Einstein's universe -- 9. The mighty atom -- 10. Getting the lead out -- 11. Muster Mark's quarks -- 12. The Earth moves -- Part Four. Dangerous planet -- 13. Bang! -- 14. The fire below -- 15. Dangerous beauty -- Part five. Life itself -- 16. Lonely plante -- 17. Into the troposphere -- 18. The bounding main -- 19. The rise of life -- 20. Small world -- 21. Life goes on -- 22. Goodbye to all that -- 23. The richness of being -- 24. Cells -- 25. Darwin's singular notion -- 26. The stuff of life -- Part Six. The road to us -- 27. Ice time -- 28. The mysterious biped -- 29. The restless ape -- 30. Goodbye.