HOLLOW PLANET THEORY; U.S. scientist, believers to sail on icebreaker Richard Foot, CanWest News Service Published: Wednesday, May 30, 2007 A U.S. scientist and a small band of believers are planning a journey to the Canadian Arctic for what they call "the greatest geological expedition in history." Are they searching for Arctic oil reserves? Documenting evidence of climate change? Not quite. They're looking for a fog-shrouded hole in the Arctic Ocean that leads -- they say -- to the centre of the Earth, where an unknown civilization is lurking inside the hollow core of the planet. This time next year,...