Ever learned something without really understanding how you know it? That’s intuition. Sometimes called a sixth sense or gut feelings, intuition is the ability to acquire knowledge without a clear source or without reasoning it.
Some people claim that they get a feeling that someone is watching them, and they look around and find that somebody is, or was, watching them. Or a police officer may look at some suspects for a crime and somehow know which one is guilty, and later discover they were right.
Though some people say that these things are all coincidences, others believe that the human brain has a special ability to get knowledge around them without conscious realization. It is another mystery of the human mind