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 illustrates how DNA is formed and how it define who we are. It also describes that DNA varies from person to person and that every person has one-of-a-kind DNA.

The RNA World Hypothesis is one of the theories of the origin of life. It claims that, chains of RNA were forming naturally before living cells and the genetic code.

Peter gets home after being bitten by a genetically-engineered spider during a school field trip. He falls ill from the spider's venom, and while he's asleep the venom alters his genetic makeup. He wakes up to find his body has changed dramatically overnight.

This clip describes how genetic mutations can lead to an animal's advantage in survival. Neil deGrasse Tyson talks about a Black bear that turns into a white bear because of a genetic mutation, which later became known as polar bears.