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Christian McDonald, the Scientific Diving Safety Officer at the Scripps Institution of Oceanography, tows a surface float at Millennium Atoll in the South Pacific.
Photo

Diver With Shark

 Christian McDonald, the Scientific Diving Safety Officer at the Scripps Institution...
Caribbean reef sharks swim over a coral reef in the Bahamas.
Personal Perspectives

Swimming With Sharks

 Lying in water only a foot deep, I watched the shark meander lazily through the...
October 2011