Ada and her friends discovered some yellow plants. They do some research on why this happened and realize how the process of photosynthesis aids the growth of plants.

After George leaves the dinner following an argument, Sheldon is sitting outside reading a Psychology book. John joins him, and Sheldon tells him about the assignment. John asks him about it and guides him through the process of identifying the observation, the hypothesis, and the prediction.

The Stanley Milgrim experiment is a series of radical experiments that test the willingness of individuals to obey authority. Individual variables are changed in order to determine what influences the test subjects. In nearly every case, the fundamental result is the same.

The MythBusters test the myth that talking to plants makes them grow better. They set up several test groups of bush peas, and all are under the same conditions except the type of sound to which they are exposed.

Professor Philip Brainard creates Flubber and tries to learn more about it. He performs quick tests on the physical properties of Flubber and finds that it is a highly viscous elastomer that can also phase shift between a liquid and a solid. Using observation skills, he also learns that Flubber is moldable, foldable, ductile, and elastic, among other properties.