October 13, 2003 Stranger in a New Land Stunning finds in the Republic of Georgia upend long-standing ideas about the first hominids to journey out of Africa By Kate Wong We shall not cease from exploration And the end of all our exploring Will be to arrive where we started And know the place for the first time. --T. S. Eliot, Four Quartets: "Little Gidding" In an age of spacecraft and deep-sea submersibles, we take it for granted that humans are intrepid explorers. Yet from an evolutionary perspective, the propensity to colonize is one of the distinguishing characteristics of our...