Contents

03 October 2014
Vol 346, Issue 6205

About The Cover

Cover image expansion

COVER To make mice better mirrors of human cancer, researchers are building "avatars" with the cancer of a particular patient, or engineering mice to spontaneously develop tumors just like people do. The work marks a sea change in cancer biology and is stirring hope that new mouse models will pave the way to more personalized care. See pages 24 and 28.
Photo: Joe McNally