WIRED's article titled "Every 'Useless' Body Part Explained From Head to Toe" explores the functionality of various body parts that are often considered "useless." The author goes through each part, starting from the head and moving down to the feet, explaining their purposes and dispelling the notion of their uselessness. From the appendix to the tailbone, tonsils to wisdom teeth, they highlight the evolutionary reasons behind the existence of these body parts, challenging the misconception that they serve no purpose.