Delmenhorst, Germany

At a Glance Temperatures dropped into the 30s and 40s in South Florida on Wednesday morning.When that happens, green iguanas become lethargic and even completely immobile.Their population has exploded during several recent years of warmer-than-usual weather. Cold-stunned iguanas fell from trees in South Florida Wednesday morning as temperatures in Miami hit 40 degrees - the lowest recorded there in more than nine years. The National Weather Service in Miami issued a "falling iguanas" alert on Tuesday. "This isn't something we...