Balony Detection Kit

There are lots of sites that use, reference, and/or expand on Carl Sagan's Baloney Detection kit.
Here are a few:

http://www.planetforlife.com/aboutpfl/baloney.html
http://www.michaelshermer.com/2009/06/baloney-detection-kit/ -- a video with Michael Shermer
http://homepages.wmich.edu/~korista/baloney.html --- from Scientific American (also Michael Shermer)
http://rationalwiki.org/wiki/The_Fine_Art_of_Baloney_Detection

and you can search for more using any search engine.