In the video below, a young woman picks up a brown leather wallet, rubs it between her hands, then shakes it. The zipper pull trembles against the rows of linking teeth with a tinny sound. These ...

What do the sounds of whispered affirmations, page-turning, and tapping fingernails have in common? What about the sight of slow hand movements, soap being gently cut to pieces, and hair being brushed ...

Forbes contributors publish independent expert analyses and insights. Mark Travers writes about the world of psychology. Have you ever heard or saw something that left your body tingling? A gentle ...