In 1945, dozens of previously unknown Christian texts were discovered near the Egyptian desert town of Nag Hammadi. Some texts were closely tied to the New Testament, like the Gospel of Thomas, but others were pretty wild, portraying the God of the Hebrew Bible as a demon trickster. All of these texts were labeled "gnostic," but scholars continue to debate what "gnostic" really means and what to make of these curious works from the early centuries of Christianity. Helen and Dave are joined by...