ing head. The slicing technique was invented independently in the 1970s by Sir Godfrey Hounsfield, working for EMI in England, and Allan Cormack, of Tufts University in America, and they shared the 1979 Nobel Prize for Medicine for their work. Legend has it that EMI was making so much money from The Beatles they c

selves. Daniel C. Dennett is University Professor and Austin B. Fletcher Professor of Philosophy and director of the Center for Cognitive Studies at Tufts University. He is the author of a dozen books, including Consciousness Explained and, most recently, From Bacteria to Bach and Back: The Evolution of Minds. Da

selves. Daniel C. Dennett is University Professor and Austin B. Fletcher Professor of Philosophy and director of the Center for Cognitive Studies at Tufts University. He is the author of a dozen books, including Consciousness Explained and, most recently, From Bacteria to Bach and Back: The Evolution of Minds. Da

ness Explained. He is the University Professor and Austin B. Fletcher Professor of Philosophy, and co-director of the Center for Cognitive Studies at Tufts University. -o A CRACK IN CREATION Gene Editing and the Unthinkable Power to Control Evolution By Jennifer A. Doudna and Samuel H. Sternberg [US — Houghton