 Dayton's only all-local news radio station. The power of WHIO Radio and News Center 7 means you'll know first. This is Miami Valley's Morning News on WHIO. Morning, I'm Larry Hanskin. NBC says 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.