This story originally aired on April 15, 2017. Retired University of Washington astrobiology professor Woody Sullivan is obsessed with the concept of time. It's apparent the instant you walk into what he call’s his “man lodge," the little study behind his North Seattle home. It’s full of shelves of books with titles like “Empires of Time,” and “Time, The Familiar Stranger.” Plus, there are shelves of small, ornate sundials, some that can fit into the palm of your hand. Finally, across his