A fly is buzzing around in the kitchen. You sneak up on it with a flyswatter, but just as you get close to it, it flies away. What makes flies and other insects so good at escaping from danger? The fact that insects have eyesight that can easily detect moving objects is one of the things that help them survive. In this month's Science Shorts, students examine the interesting world of how insects see. This article describes a model of an insect's compound eye to get a "bug's-eye" view of the world.