Bill Nye explores evolution biology and explains the genetic aspects of DNA. The science guy examines how life on Earth began, explaining how living things have evolved for over three billion years. Features a scientific experiment that reveals how DNA can be found in all living organisms. Explains the role of genes and chromosomes in heredity, demonstrating how inherited traits are passed down through generations. Talks with a paleontologist who discusses how fossils are used to study the evolution of life.Defines natural selection and artificial selection and introduces Darwin's theory of evolution.

Award-winning series explores the world of science and nature using humor, music, experiments, and interviews with scientists.