Circles and other discourses in geometry

It is surprising how crop circles are still carried around as mysterious phenomena. Basic google searches seem to landup with a concoction of pages that dont always lead to a straight (and skeptic) answer. So, i pulled a good starter on the issue.

InquiringMinds.Org has a page on lecture notes (More Hoaxes (crop circles)) of Professor Randall J. Scalise and Professor John Cotton.

These notes have links to several interesting references and other work.

For those new to this topic (really?) or in need of a context, there are a couple of articles on the subject:
An Aug-2002 article Weird science: Circular logic with a followup link to a little more recent (and aptly named for July-2004) The fellowship of the rings.

enjoy!