"I'm interested in man's march into the unknown but to vomit in space is not my idea of a good time. Neither is a fiery crash with the vomit hovering over me." That, apparently, is why Captain Kirk actor William Shatner turned down Virgin Galactic boss Richard Branson's offer of a berth on the first passenger space flight, set to take off in 2008. He added: "I do want to go up but I need guarantees I'll definitely come back." The Daily Mail has more here.