Hoping to help shed light onto a thorny topic. Maybe killing two birds with one stone! http://environment.newscientist.com/channel/earth/mg19425984.300?DCMP=NLC-nletter&nsref=mg19425984.300 Happy Easter Peter ****************************************************** * Full guidelines for BEE-L posting are at: * * http://www.honeybeeworld.com/bee-l/guidelines.htm * ******************************************************