Human brain has a form of wi-fi which constantly picks up information about other people by simply looking at them says a scientist in what he believes is the key mechanism behind gut feeling. Language plays only a part in how humans communicate. Actually it is the brain that works hard to gather up tiny micro-signals that communicate what a person is thinking. This explains how people often have a gut feeling or intuition about a person or situation even if they cannot logically determine why. People can pick up on subliminal information Digby Tantum Clinical Professor of Psychotherapy at