I agree with Kaku that there is nothing we have that ET's would want but further...<br><br>If they could travel such vast distances to get here, that means they have learned to live in harmony with each other enough to focus their efforts outside their day-to-day needs.<br><br>So, they are not only technologically advanced, they must also be socially and morally advanced in order to not destroy themselves (like we humans are about to!)<br><br>Hence, the only reason why they are here (and they are!) is to study us and maybe nudge us in advancing as a species.,(reply>), @Tiger Woods exactly. they could have already conquered other species, and we're just target practice. realistically we would simply be enslaved.,(reply>), Or they were the victors of a war