Watch Out for Killer Algae

Years of Dumping Hog Wastes Into North Carolina Rivers Has Created a Monster

Imagine a microscopic marine predator which can spend years at a time without food, but which, when conditions are favorable, suddenly emerges from the sediment, changes shape and kills millions of fish after stunning them with poison so powerful it can cause immuno-suppression in humans. Find it hard to believe? Go tell it to Dr. JoAnn Burkholder.