Mr. Wizard tells Lorilee that people lost in the wilderness have a tendency to walk in a circle. They are going to find out if it’s true. He blindfolds her and asks her to walk to a marked tree. Mr. Wizard explains - Walking in Circles, Steel Wool Test, Engineering Exam, A Fan in Slow Motion, 3D Magnet, Tree Branch Cover Part 1, Supermarket Batteries, Medicine You Wear, Leeches, and Hydrogen Reaction