http://www.theflatearthsociety.org/forum/index.php?topic=4943.0
^ This is a post by someone on THE EARTH IS FLAT FORUM.
He argues that Aristotle was a nut because he said human males have more teeth than human females. His argument is that it is "common knowledge" that all humans have the same amount of teeth, but he denies that the earth is a sphere!
I found this gut bustingly hilarious.
-Sab