A regular series at the Happy Dog, Life, the Universe and Hotdogs provides local educators and lecturers with the opportunity to leave their ivory towers and mingle with the masses at the Happy Dog, the Detroit Shoreway club and restaurant known for hosting underground rock bands and serving up hot dogs with a wide selection of toppings. Tonight, Marsh Mathur discusses the various ways you can tie a tie. Admission is free and the event starts at 7:30. (Niesel)