We also learned a great deal about Discworld, but that's another story. He put his hand in the water seething with the vicious little carnivores. Even with blood in the water. What turns them on is the splash. It doesn't happen.
Monkeys are good at, uh, the business of being monkeys.
They just don't fall into the water that often. We also learned why filling the ice trays with hot water makes ice freeze faster than if you fill them with cold. We had forgotten about this claim. They were making it when we were both kids. Hundreds of people tried it at home, and it worked every time.