what about comparing dose or concentration on those reported experiments with atmosferic levels? http://en.wikipedia.org/wiki/File:Phanerozoic_Carbon_Dioxide.png *********************************************** 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
