Imagine if the future stretched on forever. Why do we need to die? Can we use science to extend our lives? And what about immortality? The social impacts, and the biological realities, of ageing - that's this week's program.

Guests

Jonathan Weiner
Maxwell M. Geffen Professor of Medical and Scientific Journalism, Columbia University

Dr Damien Dowling
Research Fellow, School of Biological Sciences, Monash University

Associate Professor Jayne Lucke
Principal Research Fellow, School of Population Health, University of Queensland

Professor Joe Coughlin
Founder and Director of the AgeLab, Massachusetts Insitute of Technology