We're within a week of Halloween, so the zombie references are popping out of the woodwork.
First up, CommonCraft has updated their previous video, Zombies Explained:
Next, from the Zombie Research Society, we have a scientific look at what might be going on in a zombie's brain to make it a zombie:
Zombies seem to be important at the University of Calgary. From last year, here's a game called Nurses against Zombieism (back story), and here's a case study called Zombie Attack! An Introduction to Quantitative Modeling.
Stay safe out there!