 Together with the resources of News Center 7, you're on Dayton's number one news team. Now, back to Miami Valley's morning news on WHIO. Morning, I'm Larry Hanskin. The Denver Zoo is using blood sickles to keep animals cool during the current summer heat wave. Zookeepers freeze animal blood in popsicle molds for the lions and other carnivores. 68 degrees now at 825.