If we are not alone in the universe, then -- considering what happened to the Indians after Columbus landed in America -- shouldn't we be keeping a pretty low profile?
That's one of the burning questions in the current scientific search for intelligent extraterrestrial life. The question was debated in front of an enthusiastic crowd of scientists, teachers and amateurs at a SETI Institute conference in Santa Clara over the weekend.
One would think that would depend on the message! To read the rest of the article, click here.