This clip describes how molecules are different from elements and atoms. It also illustrates how molecules are modeled.

Steve wants to use Carl's den as a laboratory to work on his revolutionary experiments. When Carl rejects the idea, Steve captures his interest by explaining that they can make money from his invention. Steve then shows off his latest experiment: a Transformation Chamber that can resize objects.

This clip describes the discovery of atoms and elements.

Olivia discusses the story behind the physicists who invented a new type of microscope that could look at a single atom in sheet metal.

Neil deGrasse Tyson explains radioactive decay. He explains how we can determine the age of a rock using meteorites and illustrates that atoms undergo nuclear transmutations over time until they become stable elements.