When you listen to Stevie Wonder sing, you can’t have a bad day … even if it is Friday the 13th. And Stevie’s right … superstition ain’t the way. Yet we attach supernatural powers to all kinds of objects, numbers, and frequently, animals. Some superstitions we’re all familiar with—like lucky rabbit’s feet (very unlucky...

  When you listen to Stevie Wonder sing, you can’t have a bad day … even if it is Friday the 13th. And Stevie’s right … superstition ain’t the way. Yet we attach supernatural powers to all kinds of objects, numbers, and frequently, animals. Some superstitions we’re all familiar with—like lucky rabbit’s feet (very unlucky...