Propolis Creates ‘Social Immunity’ for Honey Bees Honeybees Sterilise Their Hives Matt Walker, BBC Earth News, 7/23/2009 http://news.bbc.co.uk/earth/hi/earth_news/newsid_8152000/8152574.stm *********************************************** 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