Professor Jared Diamond hosts this documentary based on his Pulitzer Prize-winning book, combining history, geography, biology and ecology to show how those to whom nature gave a head start in domesticating plants and animals also gained an advantage in developing technology, writing, government, and weapons of war. A major advance in our understanding of human history, Guns, Germs, and Steel traces the way the modern world came to be. Two discs, approximately 165 minutes.