Duplication and divergence in action

Yes indeed, a gene has been copied from one location to another and the new version is free to mutate into something altogether different. Or something. What I mean is, Pharyngula is at a new address and, though you'll still find the old Pharyngula archived at the original URL, for everything new you must go here:

http://scienceblogs.com/pharyngula/

Adjust your blogrolls accordingly.