Happy Feet lost Scientists tracking Happy Feet, the wayward penguin who became a worldwide celebrity after washing up on a New Zealand beach, said on Monday they had lost contact with the giant bird.				Melbourne named world's most liveable city Melbourne has edged out long-time front-runner Vancouver to be rated the world's most liveable city, a worldwide survey from the Economist Intelligence Unit said Tuesday.         New Zealand's lost penguin sets sail for home A wayward penguin that became a worldwide celebrity after washing up lost on a New Zealand beach left Wellington on Monday aboard a research ship bound for his frigid home waters in Antarctica.