Journalism: New York Times - Portraits: Portraits---McGill010

Chatham, MA., September 7, 2012: Scientists aboard the research vessel Ocearch try to catch and tag great white sharks off the coast of Cape Cod in the hope of learning more about the species. Photograph by Evan McGlinn for The New York Times.

Chatham, MA., September 7, 2012: Scientists aboard the research vessel Ocearch try to catch and tag great white sharks off the coast of Cape Cod in the hope of learning more about the species. Photograph by Evan McGlinn for The New York Times.