Good Stuff

A demonstration of why graphic artists ought to take CSS seriously. They also invite people to contribute designs that modify the stylesheet while keeping the HTML intact.
http://www.csszengarden.com/

An Implicit Association Test (IAT) is “a tool to gain greater awareness about [your] own unconscious preferences and beliefs”.

Take various forms of IATs here.
https://implicit.harvard.edu/implicit/

A contest where people make iPod Shuffles out of food.
http://www.mikeindustries.com/blog/archive/2005/04/ipod-giveaway-1