This clip describes that, during the 16th Century, much of humanity believed that the Earth was the center of the universe, except for one man: Copernicus. Copernicus theorized that the Earth actually revolved around the sun, to scrutiny of the church. Giordano Bruno believed Copernicus and read Lucretius' banned book, which expanded his thinking that the universe was unbounded.
This clip provides information about the Big Bang and how life started. It also states how powerful the Big Bang really was and how it suggests the universe is still expanding because of the kinetic energy from the event.
The Planeteers explain what an aquifer is to the chairman of the reservation and what the pumping operation is doing the ground surrounding it. They explain the dangers of pumping from the aquifer and the effects it can have on the wildlife and environment.