fun stuff if you've nothing better to do:
Stones Self-Organize into Circles
http://www.sciam.com/article.cfm?articleID=0005BEE2-3FE9-1E28-8B3B809EC588EEDF Mystery of German exploding toads
http://news.bbc.co.uk/2/hi/europe/4486247.stm oh, i got in a wreck