Debate between Gregory Stock and Daniel Callahan, which was moderated by Aubrey de Grey, at the Edmonton Aging Symposium which took place March 30-31, 2007.



Debate between Gregory Stock and Daniel Callahan, which was moderated by Aubrey de Grey, at the Edmonton Aging Symposium which took place March 30-31, 2007.



http://video.google.com/videoplay?docid=-8994837371721694774