This clip takes us into the microscopic world through a series of steps, with each step being 10x smaller than the previous. It illustrates the microorganisms that exist in drop of water and the components of those organisms, including DNA and atoms.

This clip explores the leading theory about the origins of the universe, the Big Bang theory. It shares evidence for this theory, notes that the universe is exponentially growing larger, and describes the Big Bang theory in detail.

This clip explores the origins of the universe and describes the leading theory, the Big Bang, with supporting visuals.

Phil explains the structure of an atom in 60 seconds using a fence, different colored balls, and kittens.

Stephen Hawking tasks a team of volunteers with replicating the Big Bang on in a hockey rink. The volunteers decide to stand next to each other and inflate balloons to simulate an "explosion." They enlist the help of a professional hockey team since they have trouble staying on the ice and need more people to create a better representation of the Big Bang.