Cover -- Title -- Copyright -- Contents -- Ackonwledgments -- 1. Prelude: The Mystery of the Missing Antimatter -- 2. Constant Physics in an Evolving Universe -- Universal Laws -- Hubble and the Expanding Universe -- Red-shifts: Evidence for an Expanding Universe -- Numbers Large and Small -- What Do We Mean by "Universe"? -- 3. As the Universe Expands -- Running the Clock Forward: Radiation -- Running the Clock Forward: Dark Matter -- Running the Clock Forward: Light Nuclei -- Running the Clock Forward: Matter and Antimatter -- 4. What Is Antimatter? -- What Is Matter? -- Dirac Introduces Antimatter -- Experiments Confirm That Antimatter Exists -- Radioactive Decays of Nuclei -- 5. Enter Neutrinos -- Pauli: The Beta Decay Puzzle -- Fermi: The Theory of Neutrinos Develops -- Cowan and Reines: Neutrinos Detected -- 6. Mesons -- Yukawa and the Pi-Meson -- Strange Mesons, Strange Quantum Concepts -- 7. Through the Looking Glass -- What Physicists Mean by the Term Symmetry -- A Gedanken Experiment -- The Actual Experiment -- 8. Through the Looking Antiglass -- Another Gedanken Experiment -- Cronin and Fitch: Matter and Antimatter Do Not Follow the Laws -- 9. The Survival of Matter -- Pauli's Other Letter: Initial Conditions on the Universe -- Sakharov: The Conditions Needed to Develop an Imbalance -- Cosmology with Sakharov's Conditions Met: Baryogenesis -- 10. Enter Quarks -- Quarks -- Why Don't We See the Quarks? -- What about Dark Matter? -- The Missing Charm, the Surprising Tau -- The Standard Model: Particles and Interactions -- 11. Energy Rules -- Stored Energy, Forces, and Energy Conservation -- Force Fields Permeating Space -- Field Theory and the Energy Function -- 12. Symmetry Rules -- Symmetries as Answers to the Question "Why?" -- Symmetries and Conservation Laws -- Space-Time Symmetries -- Gauge Symmetries -- Discrete Symmetries.

Baryon and Lepton Number Conservation? -- 13. Standard Model Gauge Symmetries -- The Symmetry behind the Electromagnetic Interaction -- The Symmetry behind the Strong Interaction -- The Symmetry behind the Weak Interaction -- 14. A Missing Piece -- The Puzzle of Particle Masses -- How Do We Describe Nothing? -- At Last, CP Violated in the Standard Model -- 15. It Still Doesn't Work! -- Running the Clock Forward: The Standard Model -- Now What? -- 16. Tools of the Trade -- Accelerators -- Detectors -- Data Handling and Analysis -- How Projects Develop -- 17. Searching for Clues -- Where Are We Now? -- Testing the Standard Model in B-Meson Decays -- Oddone: How to Build B Factories? -- Running the B Factories: The First Test -- 18. Speculations -- Why Are We Never Satisfied? -- Grand Unified Theories -- Supersymmetry -- Way beyond the Standard Model -- 19. Neutrino Surprises -- Davis, Bahcall, Koshiba: Solar Neutrinos -- Quantum Neutrino Properties -- 20. Following the New Clues -- Some Things We Know -- Some Things We Speculate About -- Fitting It All Together -- 21. Finale -- Appendix: A Timeline of Particle Physics and Cosmology -- Perspective -- Relevant Nineteenth-Century Developments -- 1900-1930: Development of Quantum Ideas, Beginnings of Scientific Cosmology -- 1930-1950: New Particles, New Ideas -- 1930-1960s: The Advent of Accelerator Experiments-The Particle Explosion -- Implications of Expanding Universe Explored -- 1964-1973: Formulation of the Modern View of Particles and the Universe -- Two Standard Models Emerge-Particles and Cosmology -- Index -- A -- B -- C -- D -- E -- F -- G -- H -- I -- K -- L -- M -- N -- O -- P -- Q -- R -- S -- T -- U -- V -- W -- Y -- Z.