Source of book image: http://stochastix.wordpress.com/files/2006/08/the-pleasure-of-finding-things-out.gif   (p. 100)  It is one of the most remarkable things that in all of the biological sciences there is no clue as to the necessity of death.  If you say we want to make perpetual motion, we have discovered enough laws as we studied physics to see that … Continue reading Feynman: Nothing in Biology Requires Us to Die