Why? Cracked has a brief slide show (I hate slideshows, but brief ones on Zombies are ok):
- "They have too many natural predators." From bears to bugs. Of course, the problem with this assertion is that we do not know what happens when animals bite zombies. The various strands of Z-mythology vary on this. Animals sometimes become zombies, sometimes they die, and sometimes they just don't want to eat rotten meat.
- "They can't take the heat." Putrefaction is likely cause zombies to explode. Are dessicated zombies capable of locomotion?
- "They can't handle the cold." Indeed, World War Z addresses this quite well. Zombies freeze when it gets too cold, but that is, ahem, cold comfort since surviving in cold climes is not easy (cannibalism anyone?)
- " "Biting is a terrible way to spread a disease." Indeed, this one has my favorite quote: "