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17 Episodes 2003 - 2003
Episode 1
Tue, Jan 7, 2003
Nova recounts the history of the development of military unmanned aerial vehicles along with the opportunities and challenges they present.

Episode 2
Tue, Jan 14, 2003
Exploring what might have happened to a U.S. Navy bomber that disappeared over the Bering Sea during World War II.
Episode 3
Tue, Jan 21, 2003
Following scientists' pursuit of a big, ugly and very ancient (400 million years old) fish called the coelacanth, a "living fossil" that is thought to be a "missing link" between sea and land animals.
Episode 4
Tue, Feb 4, 2003116 mins
Nova takes an inside look at a competition between Boeing and Lockheed Martin to develop the next generation of American fighter aircraft.
Episode 5
Tue, Feb 11, 200356 mins
An expedition to Mount Vinson, in Antarctica, one of the highest peaks of the World, offers a real awareness of the increasing fragility of the best preserved places far from our daily life.

Episode 6
Tue, Feb 18, 200355 mins
Nova follows a group of art conservationists to the ancient Buddhist Temples of the Mustang. There they attempt to restore artwork that has been slowly deteriorating with time.
Episode 7
Tue, Feb 25, 200350 mins
Exploring dirty bombs (including how they differ from conventional nuclear bombs), and how terrorists can acquire the materials to create one, then build and detonate it.
Episode 8
Tue, Apr 1, 2003
Charting the alarming growth of the invasive alga caulerpa taxifolia through the Mediterranean.
Episode 9
Tue, Apr 22, 2003
This Nova special tells the story of Roselynne Franklin, concentrating on her breakthrough discovery of the structure of DNA, and how her discoveries were used without her permission by Watson, Crick, and Wilkens.
Episode 10
Tue, Sep 30, 2003
An ancient Archimedes Manuscript is discovered over written by a medieval prayer book. Program follows the effort to recover the lost text an the implications of its loss to history.
Episode 11
Tue, Oct 7, 2003
In the midst of World War I's aerial combat arms race emerges Germany's ace of aces, Manfred von Richthofen. The factors that made him devastatingly effective, and kept him alive when all around him were falling from the skies are described culminating in the best guesses of experts on what caused his death.

Episode 12
Tue, Oct 28, 200360 mins
Einstein's dream was to find a Theory of Everything that unites general relativity (the world of the large, involving the force of gravity) and quantum mechanics (the world of the small, involving the forces of strong nuclear force, electromagnetism, and weak nuclear force). Re-tracing the history of string theory, which posits that the smallest particle is a string that vibrates at a specific frequency. String theory predicts six extra dimensions, whose function may be to define the numerical constants in nature.

Episode 13
Tue, Oct 28, 2003
In order to solve some of the deepest mysteries of the universe, the rules that govern large objects like galaxies must be combined with the rules that govern small objects like subatomic particles.
Episode 14
Tue, Nov 4, 2003
String theory is radically changing our ideas about the nature of space, opening up the possibility that extra dimensions, rips in the fabric of space, and parallel universes actually exist.

Episode 15
Tue, Nov 11, 200360 mins
Nova looks at how the Wright brothers made their first powered flight through the efforts of enthusiasts to replicate the Wright's early gliders and airplanes.
Episode 16
Tue, Nov 18, 200360 mins
In this PBS "Nova" documentary, scientists discuss the bewildering causes and effects of the Earth's magnetic field, including the fact that the field appears to have weakened during the last few decades. A group of experts, including physicists and geologists, examine the individual elements that make up the field - from the molten core to the far reaches of space - in search of answers to these perplexing questions.

Episode 17
Tue, Nov 25, 200350 mins
An expedition to Mount Kilimandjaro, in Africa, one of the highest peaks of the World, offers a real awareness of the increasing fragility of the best preserved places far from our daily life.