egmracer | 11 years ago | on: Bacteriophage phi X174 DNA a message from extraterrestrial intelligence? (1979)
It's an interesting premise but one that's almost impossible to verify. DNA would inevitably evolve in the billions of years of adaptation, rendering the message incomprehensible. Even with all relevant techniques (probability analysis, error correcting codes, ...), it's at best guess work. Despite the problems with implementation, it's still a very interesting idea that has a few good reasons supporting its logic. Any advanced life form that reaches a new planet will almost certainly analyze the planet for life and it's genetic makeup. I'm not sure we'll be able to validate or completely dismiss the idea until we explore other planets.