7x13: The Big IF
7x11: The Sea Behind the Dunes
7x09: The Pinks and the Blues
7x07: A Mediterranean Prospect
7x06: The Safety Factor
7x04: Portrait of a Killer
7x03: Living Machines
7x01: The Elusive Illness
6x18: Termites to Telescopes
6x16: India: Machinery of Hope
6x15: All Part of the Game
6x14: Race for the Gold
6x13: Sweet Solutions
6x12: Life on a Silken Thread
6x11: A Plague on our Children