Let's Put Our Worst Foot Forward With Alien Intelligences

Want to make a good impression on extraterrestrial civilization we encounter? The best bet is to showcase our dark side — our foibles, our mistakes and even our most horrifying aspects, says Douglas Vakoch, director of message for the SETI (Search for Extra Terrestrial Intelligence) Institute. It's too bad the Voyager… » 4/10/08 5:00pm 4/10/08 5:00pm