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Watch Online / Dinosaurs Decoded (TV Movie 2009)
Desc: Dinosaurs Decoded: Directed by Dan Levitt. With Jack Horner, Mark Goodwin, Hans Larsson, Thomas Carr. National Geographic reviews Jack Horner's research into juvenile dinosaurs. His evidence suggests that juvenile dinosaurs looked sufficiently different from adults that they have sometimes been mistaken for a separate species. The program examines specific changes that occurred as dinosaurs aged and speculates on why the changes were necessary.