<p>Melvyn Bragg and guests discuss the ideas, people and events that have shaped our world.</p>
| Title | Date published | ||
| The Permian-Triassic Boundary | 2007-06-28 | ||
| Common Sense Philosophy | 2007-06-21 | ||
| Renaissance Astrology | 2007-06-14 | ||
| Siegfried Sassoon | 2007-06-07 | ||
| Ockham's Razor | 2007-05-31 | ||
| The Siege of Orléans | 2007-05-24 | ||
| Gravitational Waves | 2007-05-17 | ||
| Victorian Pessimism | 2007-05-10 | ||
| Spinoza | 2007-05-03 | ||
| Greek and Roman Love Poetry | 2007-04-26 | ||
| Symmetry | 2007-04-19 | ||
| The Opium Wars | 2007-04-12 | ||
| St Hilda | 2007-04-05 | ||
| Anaesthetics | 2007-03-29 | ||
| Bismarck | 2007-03-22 | ||
| Epistolary Literature | 2007-03-15 | ||
| Microbiology | 2007-03-08 | ||
| Optics | 2007-03-01 | ||
| Heart of Darkness | 2007-02-15 | ||
| Popper | 2007-02-08 |