1975-04-07: The Long, Long Walkabout
1975-02-24: Project Fido
1975-02-17: The Change of Life
1975-02-10: The Unsafe Sea
1975-01-27: A Time to Be Born
1975-01-20: The Killer Dust
1975-01-06: The Cleanest Place in the World
1974-12-30: The Lysenko Affair
1974-12-23: How on Earth Did They Do That?
1974-12-16: The Neglected Harvest
1974-11-11: The Other Way
1974-11-04: The First Signs of Washoe
1974-10-28: Do as You Are Told
1974-09-02: An Unholy Scramble
1974-08-12: Adam or Eve?
1974-08-05: Listen and Be Loyal
1974-07-29: What Price Steak?
1974-07-22: Mines, Minerals and Men
1974-07-15: The Immigrant Doctors
1974-07-08: The Race for the Double Helix
1974-07-01: Hills of Promise
1974-06-24: Who Needs Skills?