And this seems to be a general problem of Science rather than on any particular field of study. As usual the comments are the best part of the publication http://www.nature.com/nature/journal/v483/n7391/full/483509a.html Juanse Barros J. APIZUR S.A. Carrera 695 Gorbea - CHILE +56-45-271693 08-3613310 http://apiaraucania.blogspot.com/ [log in to unmask] *********************************************** The BEE-L mailing list is powered by L-Soft's renowned LISTSERV(R) list management software. For more information, go to: http://www.lsoft.com/LISTSERV-powered.html Guidelines for posting to BEE-L can be found at: http://honeybeeworld.com/bee-l/guidelines.htm