Underwater bloodhounds

Scientists have long assumed that smelling underwater . . . was impossible for mammals.

“It was something that mammals couldn’t do,” said Dr. Kenneth C. Catania, a biologist at Vanderbilt University. But Dr. Catania has discovered, much to his surprise, that moles and shrews can do it. They did not evolve a radically new nose, however. They just starting blowing bubbles.

Posted by David on December 27, 2006 11:15 AM