By clock on April 11, 2007. Carnival of the Liberals #36 is up on Truth in Politics Tags carnivals More like this What is wrong with this study?Attention span: How tall will Megan McArdle & Peter Suderman's theoretical offspring be? Friday Sprog Blogging: roll the dice. How hints help speed up math performance -- and what this says about memoryThe link below will take you to a short movie (