Yes, it actually can! I read this on another thread here. Just make it big enough that it has to shrink to keep all of the icons on the screen. Then just drag one of the icons out of it, and hold it at the edge, so the Dock pulses. When the icon is in the dock, it gets smaller, and then the icon is out of the dock. Then it get's bigger, and the icon is in the dock again. I think it going to the beat of some song...