1. Why Do Birds Sing?
Aired: Nov 3, 1974 NOVA travels to forests and marshes to discover why birds sing and finds surp...
2. How Much Do You Smell?
Aired: Nov 10, 1974 Many insects and some mammals use smell as a primary means of communication. ...
3. The Hunting of the Quark
Aired: Nov 17, 1974 Smashing matter into ever smaller pieces in an attempt to find its fundamenta...
4. The Secrets of Sleep
Aired: Nov 24, 1974 Most of us spend one-third of our lives in a state of which we understand rem...
5. Inside the Golden Gate
Aired: Dec 1, 1974 NOVA joins a team of U.S. Geological Survey scientists on a mission to find o...
6. The Men Who Painted Caves
Aired: Dec 8, 1974 Just why did Cro-Magnon man living in France's Dordogne Valley some 15,000 ye...
7. Red Sea Coral
Aired: Dec 15, 1974 NOVA joins a group of English biologists living literally on a platform in th...
8. War from the Air
Aired: Jan 5, 1975
9. What Time Is Your Body?
Aired: Jan 12, 1975 Have you ever sensed that your body reacts differently at different times of ...
10. The Rise and Fall of DDT
Aired: Jan 19, 1975 Has the case against DDT been proven? A strange question, perhaps, to be aski...
11. Take the World from Another Point of View
Aired: Feb 2, 1975 NOVA profiles two very different scientists: Richard Feynman, a theoretical p...
12. The Lysenko Affair
Aired: Feb 9, 1975 NOVA explores T.D. Lynsenko's rise to power in the Soviet Union in the early ...
13. The Tuaregs
Aired: Feb 16, 1975 High in the Hoggar Mountains, in the exact center of the Sahara desert, lives...
14. The Plutonium Connection
Aired: Mar 9, 1975 How likely is it that a terrorist group will steal plutonium intended for nuc...
15. The Other Way
Aired: Mar 16, 1975 Since the Industrial Revolution, bigger has been better. NOVA profiles E.F. S...
16. The Lost World of the Maya
Aired: Mar 30, 1975 For over a thousand years the Mayan civilization grew and flourished in the r...
17. Will the Fishing Have to Stop?
Aired: Apr 6, 1975 Fish is an excellent source of protein; it could help ease the growing intern...
