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NOVA  The Four-Winged Dinosaur

Surprising fosils from northeastern China spur a debate over how birds evolved.

 
 

Program: NOVA

Episode: The Four-Winged Dinosaur

Surprising fossils from northeastern China spur a debate over how birds evolved.

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Duration: (54:20)
Premiere Date: 02/27/2008
Episode Expires: Tue 31 Jan 2012
TV Rating: TV-PG

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