Friday, December 23, 2011

Video: Dolphins play new role in human health prevention

At the Atlanta Aquarium, researchers are working with dolphins in new and ground-breaking experiments to determine changes in marine mammals in the wild, caused by human pollution. NBC's Robert Bazell reports.

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http://twitter.com/nbcnightlynews

Source: http://video.msnbc.msn.com/nightly-news/45768989/

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