from the doesn't-everything-foretell-our-doom-these-days dept.
Hugh Pickens writes "Nick Bostrom has an interesting interpretation on why the failure of the Search for Extra-Terrestrial Intelligence (SETI) for the past half-century is good news and why the discovery of life on Mars could foretell our doom. Bostrom postulates a 'Great Filter,' which can be thought of as a probability barrier and consists of one or more evolutionary transitions or steps that must be traversed at great odds in order for an Earth-like planet to produce a civilization capable of exploring distant solar systems."
"Well, it don't make the sun shine, but at least it don't deepen the shit."
-- Straiter Empy, in _Riddley_Walker_ by Russell Hoban