This article made its way around several years ago, but it is still a really fun read!  I ran across it recently, and thought it would be a fun revisit, and fun new article for those of you who never read it.  Cracked is always a good place for an interesting read, and lucky for us, they have tons of interesting articles about zombies!  So go read about "5 Scientific Reasons a Zombie Apocalypse Could Actually Happen", then click away at the recommended articles, such as scientific reasons the zombie apocalypse might fail and 5 reasons you secretly want the zombie apocalypse to happen!