Previous experiments have used sound to train a fish to feed — similar to ... across and 16 feet high that will be anchored to the ocean floor in Buzzards Bay, 45 miles southeast of Boston.

Ocean researchers have recorded unidentified "quack" sounds in the sea for years. Credit: Mayehem / Getty Images Both scientists and sailors alike have recorded unique, strange noises in the ocean ...

And we see an opportunity — over 70 percent of the Earth’s surface is covered by [the] ocean. So, only a tiny fraction of that is being detected using sound today. And then defense is another ...