Computer-generated representation of Naegleria fowleri in its ameboid trophozoite stage, in its flagellated stage, and in its cyst stage. More commonly known as brain-eating amoeba, scientists say climate change may be pushing it farther north. (U.S. Centers for Disease Control and Prevention) At a Glance Researchers at the CDC looked at 85 cases of the rare brain infection caused by the amoeba.They found that cases in northern latitudes increased as temperatures got warmer.Only four people have ever survived the infection...