There is also a related thread at http://www.freerepublic.com/focus/f-news/1963050/posts.
http://www.sciencemag.org/cgi/content/abstract/319/5863/604
thanks for the link to the Abstract. I missed the previous thread.
Thanks!
http://www.freerepublic.com/focus/news/1963689/posts?page=8#8
http://www.freerepublic.com/focus/news/1963689/posts?page=92#92
http://www.freerepublic.com/focus/news/1963689/posts?page=96#96