Big MegWhen Tim Flannery was a boy, he found a fossilised tooth of the giant shark megalodon at a Port Philip Bay beach near his home. This remarkable findthe tooth was large enough to cover his palmsparked an interest in palaeontology that was to inform his life's work and a lifelong quest to uncover the secrets of the world's largest ever predator, the great shark Otodus megalodon. Tim passed on his love of the natural world and interest in the fossil