How do we know someone is no longer alive?...
Alex posted an item about stem cells living long after the body they inhabit is declared dead. This kind of discovery make you wonder what "dead" really means. IO9 posted an interview with Dick Teresi, author of the book...
http://www.neatorama.com/2012/06/18/how-do-we-know-someone-is-no-longer-alive/
