From a colleague:
A common criticism of ID is that the design inference ONLY works when you know something about the potential designer. Since we know nothing about the potential designer for ID, it’s theory is useless and unproveable.
But then I stumbled upon the Golden Record (http://voyager.jpl.nasa.gov/spacecraft/goldenrec.html) and realized this is ID in reverse. We are the unknown designer sending our design out into the universe to be detected. Science thinks it won’t get mistaken for a ‘natural object’ so we must conclude that the recipients don’t need to know anything about humans in order to conclude it was designed.
Tell me how the “aliens” can know this Golden Record is not the product of unintelligent processes (nature) and I’ll tell you how I know DNA falls into the same catagory.