Last year over 30 million Americans visited a haunted house attraction. Salt Lake City haunted houses always have hoards of people ready to scream, shriek and build up materials for their nightmares. But why? Psychology has an explanation. If you...

It’s been many years since mainstream circuses had sideshow acts—and for good reason. As it became increasingly socially unacceptable to showcase people with physical deformities as “freaks,” these performers gradually faded into obscurity. But...