Magnetic Fish Hooks Save Sharks
b'It sounds like a plot device from a comic book: a simple substance that can make the powerful weak. But it\'s not kryptonite. An enterprising chemist says he\'s found a substance\\u2014several, in fact\\u2014that work against some of the most fearsome predators in the ocean. And he wants to use his discovery to protect them.\\n\\nThis podcast was produced by Sam Eaton for NOVA and PRI\'s "The World."\\n\\nFor more global environmental stories, visit:\\nhttp://www.pbs.org/wgbh/nova/earth/\\nhttp://www.theworld.org/category/topics/environment/\\n\\nNOVA is produced by WGBH in Boston. Funding for NOVA is provided by David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and PBS viewers.'