5/11. The lethal box jellyfish, with its 60 tentacles and five billion stinging cells, has captivated Cairns ecologist
Jamie Seymour. Armed with a thick Lycra suit, he's studying their movements off Australia's Gold Coast by electronic tagging in the hope of being able to predict their seasonal movements, discover their breeding grounds and understand their venom. Presented by Geoff Watts. Producer Helen Sharp