In his Origin of Species Charles Darwin stated, "If it could be demonstrated that any complex organ existed which could not possibly have been formed by numerous succesive slight modifications, my theory would absolutely break down." Using examples of bacterial motors, cilia, vision, cellular transport, and more, Professor Behe makes a persuasive case that the neo-Darwinian theory of evolution is beyond repair. In this thought-provoking lecture at Princeton University, he addresses a number of vital questions related to the origin of biological systems: How does the existence of irreducibly complex biochemical systems falsify neo-Darwinian theory? Are there more plausible explanations for the complexity of life? Are we ultimately the result of undirected materialistic processes or the result of intelligent design? Are there other areas of science that point to intelligent design? Incorporating computer animations of numberous biological systems; this video brings Michael J. Behe's book Darwin's Black Box to life. Recorded before a live audience at Princeton University, 1997. Lecture: 56 minutes; Question and Answer: 45 minutes.