And don't forget long article in Science about Madeline van Oppen hybridizing corals for greater thermal resistance. John -- John R. Ware, PhD President SeaServices, LLC 302 N. Mule Deer Pt. Payson, AZ 85541, USA 928 478-6358 jware at erols.com http://www.seaservices.org Become a member of the International Society for Reef Studies http://www.coralreefs.org