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.

Dr. Bailes breaks the news to Dr. Omalu that the NFL will not allow him to speak. They'd rather have Dr. Bailes speak about the science of concussions.

Leonard and Sheldon notice that Howard takes any opportunity he can to remind others that he went to space. They use the scientific method to test and verify their hypothesis.

This catchy song introduces the viewer to the circulatory system and explains its basic function: to circulate blood. It also covers the four chambers of the heart.