A Mermaid's Nightmare- Coming True! When I wrote “Echo In A Shell- The Last Mermaid On Earth”, I intended it as a metaphor. Now, the Worst may well come to pass, as the US Navy puts the finishing touches on a sonar system that will destroy all intelligent life beneath the sea. I'm not kidding! For more info on how to help please go to NRDC's website and Save The Whales!