 They're almost as big as ours. An individual cat's eye is almost as big as a human eye, but it's obviously in a much, much bigger skull. A much smaller skull. Ours is in a bigger skull. And it's tuned not to see in color. They see a few colors, but they don't seem to pay much attention to them. They see in black and white, and they see after dark. And consequently, during the daytime...