The latest issues of three good blog carnivals are up online, and all are worth looking at.
Tangled Bank #51 is available over at Discovering Biology in a Digital World.
The Magic School Bus hosts the 62nd edition of the Carnival of Education.
The 10th Carnival of the Liberals is up over at Pharyngula.
There are more than enough really good posts linked here to blow the hell out of productivity for the day. Enjoy.