This story first appeared in the March 27, 2012, edition of WW, under the headline “What the Muck?”
In any good monster movie, the initial terror comes from knowing there’s something awful out there—even though you don’t get a good look at it.
It lurks in the shadows or just beneath the water’s surface. When the monster finally appears, what’s really scary is not whether someone is going to die, but the gruesome way it’s going to happen…