Born in Hamburg, Nicola Geiger, recalls her upbringing and her life under Nazi Germany. She lost two children in World War II. Later in life, she worked in both Japan and Korea. Geiger knew that she alone could not change the world but that she worked tirelessly to get other people to work on peace, too.
Evolution and the future of the human race are among topics in Carl Sagan's and Ann Druyan's book, "Shadows of Forgotten Ancestors: A Search for Who We Are." Included is an excerpt of the astronomer Harlow Shapley speaking at the beginning. Carl Sagan also reads an excerpt from the book at the end.