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environment general science genetics health and medicine space technology January 20, 2003 
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Why Waddling Works (video)
December 20, 2000

Ever wonder why penguins swim so much? It might be because walking is downright hard for them. But until now scientists may not have really known why. As Jack Penland reports, a new study in the journal Nature is changing ideas about the penguin’s distinctive waddle.

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Produced by Meredith Fisher.
Copyright © Center for Science and the Media

some footage courtesy the National Science Foundation, SeaWorld and Tim Griffin at UC Berkeley.

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