Stay up to date with notifications from The Independent Notifications can be managed in browser preferences. All News Sport Culture Lifestyle Yellowstone: The Don'ts of Yellowstone National Park A rare "brain-eating amoeba ," Naegleria fowleri , has been detected in recreational waters at several western national parks . The amoeba was specifically found in samples taken from Lake Mead, Grand Teton and Yellowstone National Park. A study by the U.S. Geological Survey and partner agencies surveyed 40 thermally impacted recreational waters, finding the amoeba in approximately one-third of the 185 samples. Naegleria fowleri thrives in warm freshwater and causes primary amebic meningoencephalitis (PAM), a brain infection with a 98 percent fatality rate. Researchers recommend enhanced monitoring and public awareness, noting that warming global temperatures may lead to the organism expanding to new geographic areas.…