Description:Take a tour of unusual facts about cats in Miami, United States. Cats are popular pets, and have been since they were first domesticated by the Egyptians in roughly 3000 B.C. When a cat rubs against you, it is marking you with it scent in order to claim you. It's possible to distinguish any cat from all others by the unique pattern of ridges on their noses. Most cats spend over 60% of their lives sleeping. Kittens are born with blue eyes, but their eye color changes as they grow up.