Sian Ede is Arts Director for the Uk branch of the Calouste Gulbenkian Foundation where she initiated an Arts and Science program to encourage artists to engage with new thinking and practice in science and technology. She is editor and co-author of Strange and Charmed: science and the contemporary visual arts (2000) and author of Art and Science (2005). In this article Sian discusses the entanglement of truth and beauty by referring to John Keats famous 1820 poem Ode on a Grecian Urn and its statement that  Beauty is truth, truth beauty, - that is all Ye know on earth and all ye need to know. and shows how relevant it is today in the fields of both art and science.