His argument is that information is not physical, and that natural selection doesn't show that it is. That Dna was designed by a cosmic consciousness[god]. He goes through the other possibilites such:
Human designed DNA
Aliens Designed DNA
DNA occurred randomly and spontaneously
There must be some undiscovered laws of physics that created information
DNA was designed by a superintelligence [god].
He shows why option number 5 is the most plausible one
http://www.cosmicfingerprints.com/ifyoucanreadthis.htm