The Japanese attack on Pearl Harbor included five midget submarines. Four of the submarines failed in their mission being destroyed or captured. Nova follows the investigation of a mysterious ship wreck to determine if it is the fifth submarine, if it successfully launched its torpedoes and if so did it succeed in in attacking any ships.
A team of scientists and divers explore blue holes, submerged caves in the Bahamas to uncover the history of the islands and clues to the Earth's climate changes. In the process they experience many perils.
Nova examines the physics of telescope design. Following the development of the telescope over several centuries the program explains the challenges that the major design innovations solved and the inevitable major discoveries they produced.
This program describes the most remarkable, perspective changing discoveries in the field of cosmology in the last 100 years. Each discovery was made by scientists working with a radically new telescope.
Gothic cathedrals are marvels of human achievement and artistry. On this journey inside the jewels of Gothic architecture, discover how medieval builders, drawing from hidden formulas in the Bible itself, reached such spectacular heights.
Chronicling the fate of the 33 miners trapped in a collapsed Chilean gold and copper mine in August 2010 and investigates the many challenges faced by both the miners and those working around the clock to bring them safely to the surface.
In TRAPPED IN AN ELEVATOR, NOVA reveals the secret life of these ubiquitous machines. Once brawny but simple machines, elevators are getting a brainy makeover.
A look at new attempts by archaeologists to understand Stonehenge by excavating in the area around the site. Included is an explanation of previous excavations at the site as well as how the site compares to other stone and timber circles around the British Isles. Also, experiments are conducted to show how various components may have been brought together.
What happens when the ice melts and the sea levels rise? Scientists study Antarctica in an effort to understand possible climate change through geologists looking at ancient landscapes, paleobotany, drilling, and diving.