Has the case against DDT been proven? A strange question, perhaps, to be asking one year after the US has banned the insecticide, but NOVA dares to ask. Tracing the history of DDT from its discovery through its banning in the States, NOVA asks whether America overreacted with its total ban of this once acclaimed "wonder" chemical.
Aired: Nov 3, 1974 NOVA travels to forests and marshes to discover why birds sing and finds surp...
Aired: Nov 10, 1974 Many insects and some mammals use smell as a primary means of communication. ...
Aired: Nov 17, 1974 Smashing matter into ever smaller pieces in an attempt to find its fundamenta...
Aired: Nov 24, 1974 Most of us spend one-third of our lives in a state of which we understand rem...
Aired: Dec 1, 1974 NOVA joins a team of U.S. Geological Survey scientists on a mission to find o...
Aired: Dec 8, 1974 Just why did Cro-Magnon man living in France's Dordogne Valley some 15,000 ye...
Aired: Dec 15, 1974 NOVA joins a group of English biologists living literally on a platform in th...
Aired: Jan 5, 1975
Aired: Jan 12, 1975 Have you ever sensed that your body reacts differently at different times of ...
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, 1975NOVA profiles two very different scientists: Richard Feynman, a theoretical p...
Aired: Feb 9, 1975 NOVA explores T.D. Lynsenko's rise to power in the Soviet Union in the early ...
Aired: Feb 16, 1975 High in the Hoggar Mountains, in the exact center of the Sahara desert, lives...
Aired: Mar 9, 1975 How likely is it that a terrorist group will steal plutonium intended for nuc...
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, 1975For over a thousand years the Mayan civilization grew and flourished in the r...
17. Will the Fishing Have to Stop?
Aired: Apr 6, 1975Fish is an excellent source of protein; it could help ease the growing intern...
Current Status: Returning Series
Network: PBS
Production Country: United States
Genres: Documentary
