Learn all about the amazing advancements in the science of cloning and its real-world application for saving endangered species on the verge of extinction.  Meet Elizabeth Ann and Kurt, the black-footed ferret and Przewalski horse, respectively, who are successful clones giving scientists real hope for the future of cloning animals in need of reproductive help.  Factors such as loss of environment and climate change are also discussed as issues that must be addressed in concert with a cloning program in order to attain long-term success.