-LRB- CNN -RRB- I 'm Candida Moss and I am professor of New Testament and Early Christianity at the University of Notre Dame. I was an adviser on the True Cross episode and served as one of the many on-camera experts in CNN's Finding Jesus series, which currently airs on Sundays. Viewers were invited to tweet and post their questions on the Finding Jesus Facebook page during the show. Below are some of the more interesting questions and my answers to them. My apologies to everyone I did n't get to. Feel free to tweet your questions to me directly. Herb Scribner: Can anyone explain to me what the Bible's deal is with 40 days/nights ? Moss: It's more an interest in the number 40. In the Hebrew Bible the people of Israel wander in the wilderness for 40 years before they reach the Holy Land. The flood lasts for 40 days and nights; Moses spends 40 days and nights on the mountain; Goliath spends 40 days encouraging the Israelites to challenge him before David steps up; 40 is a common age for people to be when they get married; in the book of Judges it is always 40 years between judges; and David and Solomon each reigned for 40 years. What we can take away from all of this is that people in the ancient world saw 40 as suggesting a full, complete period of time. It's sort of like a narrative stock number, in the way that modern jokes follow the rule of three. Yalanda M. Price: Was