50 years ago, scientists were on the trail of a brain-eating amoeba
Excerpt from the September 19, 1970 issue of Science News

The brain-eating amoeba, Naegleria fowleri (pictured), dwells in rivers and lakes. After gliding up swimmers’ noses to the brain, the parasite damages tissue there and kills victims within a few days.
Melissa Jamerson, Ph.D./Virginia Commonwealth University