Medicine, Biology, and Ethics: Guest Dr. Arthur Kaplan, Director of the University of Pennsylvania Center for Bioethics. Also, Outrage over Nasa’s decision to discontinue the Hubble Space Telescope; Latest evidence gathered by the Mars Rovers point to water on Mars; Millions of chickens put to death in Asia because of Avian Flu; Georgia State School Superintendent proposes striking the word ‘evolution’ from school curricula; What makes us mail or female? John Hopkins scientists have new information.