Folks, Someone else may have rained on the MIT student birdseed parade which was interesting if often misinformed about conditioning mechanisms, but here is the URL from which it comes. http://www.snopes.com/college/pranks/birdseed.htm Al Al L. Cone Jamestown College <[EMAIL PROTECTED]> North Dakota 701.252.3467 X 2604 http://www.jc.edu/users/faculty/cone