 called chitin, primitive sea life, had magnetite in their teeth. And that not only is a very hard mineral, but it also might allow them to feed in parallel paths rather than bumping into each other and fighting over every scrap of algae that they're feeding on. All right. Let me tell you what I've got here. First of all, I wasn't going to say anything about this, but I woke up with a horrible, horrible splitting headache today.