Our video "Zombies in Plain English" is surely responsible for saving millions of brains over the last few years. But it's time for an update. For this Halloween, we're debuting a REDUX - with a new ending. Be brain-safe this Halloween! Our library of other videos are also helpful for brains, but for entirely different reasons. Check them out. And if you're interested in becoming a better explainer, we wrote a book just for you. Here's the original Zombies video.