Chumming for Great White Sharks, Mossel Bay, South Africa

The practice of spooning fishy, bloody chum to lure great white sharks for science (in this case) or sport (cage diving) has become controversial in South Africa and other places where people share ocean waters with the dangerous predators. Video © 2012 by Martin Totland, Zaev Suskin and Jason Forker Ruoff (shot June 15). Posted with permission for Dot Earth. More on sharks, chumming and other issues on the blog here: http://dotearth.blogs.nytimes.com/tag/sharks/