'Carl Sagan with Gills:' A Q&A with Bob Ballard, Discoverer of The Titanic

LiveScience.com
'Carl Sagan with Gills:' A Q&A with Bob Ballard, Discoverer of The Titanic
Ballard interviews spearfisher Kimi Werner, pictured here swimming with her speargun off of the Kona coast of the Big Island of Hawaii.
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