Scientists and explorers have found a whole new world under our feet. It's an exciting place, and it's changing what we know about the planet and ourselves.More
Steve Paulson's family has lots of stories of the paranormal, but Steve is the family skeptic. So he did his own investigation, talking with skeptic Michael Shermer, religion scholars Tanya Luhrmann and Jeff Kripal, channeler Paul Selig, and his Aunt Marge Bradley.
