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Lisa Katayama (1 post)
Off the coast of Miami, marine biologists lift a hammerhead shark into their boat and affix a GPS-enabled satellite tag to its dorsal fin. When the 14-footer re-enters the water, Christine Shepard, 22, swims up to it with her video camera—filming alongside a shark more than double her size.
"Once I swam with sharks up close," says the California-born conservationist, "I just fell in love." As the multimedia specialist for the R.J. Dunlap Marine Conservation Program (RJD) at the University of Miami, Shepard shoots footage for documentary videos and interactive Web applications—resources RJD hopes will raise awareness about the perils these creatures currently face.