Step 1: With pen and paper, draw a grid that is seven columns wide and five rows deep. Step 2: Label each of the top columns with the following: Forehead, Feet, Back, Palm, Tongue and Fingertips. Step ...

Last week I wrote about a crazy diagram called the “homunculus,” which shows how your body would look if each part were scaled to the amount of real estate it occupies in the brain: Your hands and ...