B.C. by Mastroianni and Hart for March 28, 2010

“I was watching a nature show, and it said virtually all animals with hearts (I don’t know if there are any without), have an average life expectancy of 1 billion heart beats. The faster the heartbeat, the short the life.” Or 4 billion, whatever…

and I am not going to waste any of them doing such mundane things as exercise…