Lightman and dark energy

Alan Lightman, physicist, novelist, and science writer, author of “Einstein’s Dreams” and“The Discoveries: Great Breakthroughs in 20th-century Science” (Knopf Canada, 2005), discusses in an interview on LiveScience his thoughts on the scientific discoveries, such as string theory and dark energy, the controversial state of science, similiarities and differences between arts and science and more.