Examines trends and developments in world population growth, set to reach 9 billion by 2050. In Japan, Europe and Russia, birth rates are shrinking and the population is aging. In parts of India and Africa, more than half of the still-growing population is under 25.

Shows the actual conception and development of a baby. Looks inside the male and female reproductive organs to show the formation of sperm and the passage of a fertilized egg through the fallopian tube. Uses a microscope to observe DNA, chromosomes, and other minute body details building up to the moment of birth.

The story of Neil Armstrong.

Because the Declaration of Independence, the Constitution, and the Bill of Rights are literally fading away, a five-year project is underway to design new encasements and a new rotunda for the charters. NOVA's cameras followed the controversial plan to give an insider's look at the technology that now safeguards America's charters of freedom.