From PBS and NOVA - Our lives are going digital. We shop, bank and even date online. Computers hold our treasured photographs, private emails, and all of our personal information. This data is precious -- and ...
Charles Darwin is taken aback when he receives a manuscript from a colleague, Alfred Wallace, which contains many of the same conclusions as he on evolution and the development of various species. Darwin's theory was developed over a great many years and in flashbacks, the manner in which it developed is shown. He had many supporters and likely more critics. He knew that his ideas were radical and that they would conflict with religious thought on the subject of creation. In reviewing his thoughts however, he realizes that he can without much difficulty claim to have ...
This program reviews the monitor lizard genus which, dispute the incredible diversity between species, share common traits such as the ability to count, that lead biologists to peg them as the most evolutionarily advanced of the lizards. Dr. Eric Pianka, who studied lizards for forty years in Australia, serves as guide. Program concludes with the customary, trite comment on human impact on climate change and the environment.
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.