Why do certain buildings look more pleasing than others? Why do paintings line up the way they do? Why do nautilus shells and trees have certain characteritsics? The list goes on and on, actually. At the root of it all is geomtery and its nature. They are all based on the most amazing geometrical concept of the golden mean or section. This mathematical construct has been in existence since Euclid and it has taken its place in all the great pieces of art and architecture. The golden ratio also is called the golden mean or golden section. Other names include extreme and mean ratio medial section, divine proportion, divine section, golden proportion, golden cut, and golden number. In this segment Chris Flisher interviews Scott Olsen about this fascinating topic and his book by the same title.