There are five general senses: touch for feels, taste for food, smell for avoiding trash, hearing for sounds, and, of course, eyesight for visualizing the very waves making up that sound. [PlasmatronX ...

To the human submariner, the built-in sonar system of the porpoise is an object of particular envy. How does a series of clicks and squeaks enable the graceful swimmer to “see” so well through the ...