1973-06-21: The Telly of Tomorrow
1973-06-14: Do We Really Need the Railways?
1973-06-07: The Laws of the Land
1973-05-24: What a Waste!
1973-05-17: Do You Remember the Memory Man?
1973-04-26: Lumbered with Back-Ache!
1973-04-12: Red Sea Coral and the Crown of Thorns
1973-04-05: Survival of the Weakest
1973-03-22: What Time is Your Body?
1973-03-08: Acupuncture: A Chinese Puzzle
1973-03-01: ...And Where Will the Children Play?
1973-02-15: Science is Dead, Long Live Science
1973-02-08: When the Breeding Has to Stop
1973-01-25: The Curtain of Silence
1973-01-18: The Military Necessity
1973-01-11: Worlds in Collision
1972-12-28: Navigating Europe
1972-12-21: Their Life in Your Hands
1972-12-07: Alaskan Pipe Dream