Shark Knows with Its Nose Where It Goes in the Dark

As Illustra Media showed in Living Waters by taking viewers inside the nose of a salmon, the olfactory (smell) organs of fishes are stupefyingly complex. A mainframe computer network could hardly surpass the computing power packed into the tiny space of a fish nostril. Similar complexity has been demonstrated recently in cartilaginous fish such as sharks, which would only be distantly related to bony fish in the evolutionary scheme.

"The ability of sharks to navigate the vast and seemingly f...