Today on Unwrapped we?re delving into things that are questionably edible. First, see how Sterno is made, visit a Freaky Food Lab with Dr. Dreadful and check out a water bottle made from corn that biodegrades in just eighty days. Then, test your know... (more)ledge of food with the Eat It Trivia Game and watch how fake food is made to look just like the real thing. Finally, figure out just what those pillowy packets are in the bottom of your bags of munchies.