Parallels Between Terrestrial Intelligence And Extraterrestrial Intelligence
> Humans (and other higher animals) really like to explore – what's over the next hill? Food or sex or enemies or greener grass or gold or buried treasure – we've got to know. It is in our really nature our genes and possibly a trait crucial for survival. I strongly suspect the similar will be accurate for any extraterrestrial (ETI).   Part of that survival is understanding about your neighbours (friend or foe) so we seek out new life forms and new civilizations, be they across the valley, across the pond, or across the gulf of space. That really should also apply to ETI.   Classic SETI (the Search for ETI) is handicapped in that it can only detect a tiny subset of new extraterrestrial life forms and new civilizations. SETI can't detect non-intelligent life or intelligences that do not have a high sufficient or suitable technologies. That would also apply to ETI. Their SETI program wouldn't have detected human civilization even as recently as say 20...