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A group of Emperor penguins wait their turn to dive into the
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A group of Emperor penguins wait their turn to dive into the ocean near Ross Island

June 8, 2010
A group of Emperor penguins wait their turn to dive into the ocean near Ross Island, Antarctica. Dr. Paul Ponganis from Scripps Institution of Oceanography and his team study Emperor penguins' diving. The routine occurrence of 500-meter dives during foraging trips is a physiological and behavioral enigma. Ponganis examines pressure tolerance, management of oxygen stores, end-organ tolerance of diving hypoxemia/ischemia, and deep-dive foraging behavior. This information provides insight into human diving physiology and has medical applications for patients whose organs or tissues have been deprived of oxygen due to heart attack, stroke, transplant, etc. To learn more about Dr. Ponganis' research, visit http://antarctic.ucsd.edu. [Image 1 in a series of 2. See Next Image.] (Date of Image: Nov. 3, 2004)


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