World War Z is just the latest pop-culture incarnation of the Zombie Apocalypse. Adam Frank says the zombies keep coming because they're trying to tell us something. MPC/Paramount Pictures hide caption itoggle caption MPC/Paramount Pictures 13.7: Cosmos And Culture How To Love The Zombie Apocalypse June 25, 2013 How did the Zombie Apocalypse become a ubiquitous all-consuming (no pun intended) meme? Adam Frank says we keep re-telling this story because it's trying to tell us something about the future. Are we listening?