George gets a massage from a man and feels "it" move. Jerry asks him whether it was a "movement" of a "shift," as these are different. This scene can be compared to movements along versus shifts in demand and supply curves.
Around the world, young people have played a crucial role in a multitude of social and political movements. Learn the historical precedence of youth activism and the factors that drive young people to become important advocates for change.
Participants in an experiment attempt to understand how runners in an indoor track relates to the universe. They assign each runner a race bib, which contains a galaxy name and its distance from Earth. The runners race at the speeds appropriate to their assigned galaxy: the farther away they are from Earth, the faster they move.
This clip explains the impact of the Montgomery Bus Boycott on the Civil Rights Movement as well as Rosa Parks' role in the boycott. It mentions that the story behind the boycott is more complex, as Rosa Parks wasn't first black person to resist bus segregation. Rather, there were several other women arrested for the same offense in the last 12 months, one of them being 15-year-old Claudette Colvin.