Beauty and the Beholder: Is beauty intrinsic or merely contextual? Is it in the eye of the beholder or part-and-parcel to our evolution? And just why are a plate of spaghetti, an infant and a Georgia O'Keeffe painting all considered beautiful? In this episode of Stuff to Blow Your Mind, Robert and Julie consider the philosophy and evolutionary biology of beauty.
Image: "Morning Light" by Caspar David Friedrich (SuperStock/Getty)