Rafe Sagarin is a marine ecologist at the Institute of the Environment at University of Arizona. Rafe's research includes everything from the historical and current sizes of intertidal gastropods (snails) to developing better ideas for national security, based on natural security systems. He is particularly interested in the Sea of Cortez, or Gulf of California, its ecological history, and the fascinating people past and present who have lived, worked, researched and journeyed there.