Zombies. It's not just baseless speculation anymore.

[mariness]

Admit it. You've been sitting at home, wondering about the zombie uprising. You're prepared, kinda. I mean, you got your zombie movies, your access to AK-47s, lots of things to set on fire, canned goods, and the ability to shriek in horrid fear. But what you need - what you really need - is a sense of timing. A way to calculate just when those flesh eating creatures will get you.

Luckily, a group of mathematicians has done the work for you, carefully calculating zombie outbreaks. (Pdf article.) Warning: contains actual matrices and equations. Not for the mathematically fainthearted.