Lucy travels through time to view the Earth at various periods in the past. As she travels, the setting behind her gradually changes in a timelapse. She visits the dinosaurs and eventually meets Lucy the Australopithecus.
Lisa creates a science project to prove that soft drinks can dissolve a tooth. After Bart shocks her with static electricity, she transmits that shock to the tooth and ends up accidentally creating a micro civilization full of life. She watches the civilization advance, and after Bart comes in and wreaks havoc on the micro world, the people of the world get their revenge on him.
With their impressive city structures and advanced astronomical understanding, the Maya civilization once dominated Mesoamerica. Learn about the Maya's influence in mathematics, how their cosmic calendars advised agricultural matters, and how the legacy of this ancient civilization endures through Maya people today.