Session 4, "The Fine-Tuning of the Universe," focuses on the balance of the fundamental laws and parameters of physics in the universe that create just the right conditions to sustain life.
Session 5, "Evidence of Biochemistry," describes the single cell organism as a high-tech factory, not equalled by anything humans have ever built.
Session 6, "DNA and the Origin of Life," reveals the intricate code present in DNA and comes to the conclusion that, like a programmer programs code into a computer, DNA must be programmed by intelligence as well.