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NOVA Season 2 Episode 1

Why Do Birds Sing?

NOVA travels to forests and marshes to discover why birds sing and finds surprising parallels with the acquisition of speech in humans.

Nov. 03, 1974

2 - 17
Will The Fishing Have to Stop?Apr. 06, 1975
2 - 16
The Lost World Of The MayaMar. 30, 1975
2 - 15
The Other WayMar. 16, 1975
2 - 14
The Plutonium ConnectionMar. 09, 1975
2 - 13
The TuaregsFeb. 16, 1975
2 - 12
The Lysenko AffairFeb. 09, 1975
2 - 11
Take the World From Another Point of ViewFeb. 02, 1975
2 - 10
The Rise And Fall Of DDTJan. 19, 1975
2 - 9
What Time is Your Body?Jan. 12, 1975
2 - 8
War From the AirJan. 05, 1975
2 - 7
Red Sea CoralDec. 15, 1974
2 - 6
The Men Who Painted CavesDec. 08, 1974
2 - 5
Inside the Golden GateDec. 01, 1974
2 - 4
The Secrets Of SleepNov. 24, 1974
2 - 3
The Hunting Of The QuarkNov. 17, 1974
2 - 2
How Much Do You Smell?Nov. 10, 1974
2 - 1
Why Do Birds Sing?Nov. 03, 1974