In this companion book to the television series, six of the most spectacular natural phenomena on our planet are explored--the flooding of the Okavango Delta in Botswana; the melting of 10 million square kilometers of ice in the Arctic; the migration of the Serengeti; the great salmon run in British Columbia; the explosion of sea life in Alaska's coastal waters; and perhaps the greatest marine spectacle on the planet, the annual tide of sardines along South Africa's east coast.
Examines the biological clocks of various plants, insects, and animals including fish, bees, and birds. Discusses internal clocks in humans as well. Includes ideas for activities and further resources.
Offers a historian's reflection on the past and future of the American experiment. Essays provide interpretations of American culture, morality, the Cold War, the American presidency, etc.
