Milking venom from Australia's deadly marine animals

You've just been stung by a tiny Irukandji jellyfish. While you are unlikely to die, toxicologist Jamie Seymour of James Cook University in Australia says you'll wish you had. He should know -- he's been stung 11 times. But Seymour's job is riskier than most: milking sea creatures of their venom to create life-saving antivenoms. Dozens of Irukandji jellyfish, some no bigger than a sesame seed, float in tanks inside a metal shed kept by the university in the state of Queensland. In another tank...