NOVA
Season 2, Episode 1: Why Do Birds Sing?
Select Source
NOVA travels to forests and marshes to discover why birds sing and finds surprising parallels with the acquisition of speech in humans.
All Episodes - Season 2
Episode 1
Why Do Birds Sing?
Episode 2
How Much Do You Smell?
Episode 3
The Hunting Of The Quark
Episode 4
The Secrets Of Sleep
Episode 5
Inside the Golden Gate
Episode 6
The Men Who Painted Caves
Episode 7
Red Sea Coral
Episode 8
War From the Air
Episode 9
What Time is Your Body?
Episode 10
The Rise And Fall Of DDT
Episode 11
Take the World From Another Point of View
Episode 12
The Lysenko Affair
Episode 13
The Tuaregs
Episode 14
The Plutonium Connection
Episode 15
The Other Way
Episode 16
The Lost World Of The Maya
Episode 17
Will The Fishing Have to Stop?