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Makeshift labs in China and Russia are turning out synthetic gemstones that rival natural diamonds.
Dying to Be Thin
Life-threatening eating disorders such as anorexia and bulimia are on the rise among America's youth.
Garden of Eden
The giant tortoise and an ant-sized frog are just two of the dazzling array of life-forms native to the Seychelles Islands.
Hitler's Lost Sub
A fisherman's net snags off the coast of New Jersey, revealing a missing World War II German U-boat.
Holocaust on Trial
A trial in London's High Court examines evidence from Auschwitz to successfully challenge the claims of Holocaust "deniers."
Japan's Secret Garden
For at least 2,000 years, the wildlife and people living around Japan's Lake Biwa have lived in a harmonious balance.
Lincoln's Secret Weapon
The Navy undertakes a risky project to salvage the USS Monitor, an innovative armored combat vessel from the Civil War.
Lost Tribes of Israel
An anthropologist looks for the lost city of Africa's Lemba tribe, and investigates their claim to an ancient Jewish heritage.
Mystery of the First Americans
The discovery of a 9,000-year-old skeleton embroils scientists in a debate over North America's first inhabitants.
Astronomers grapple with some very big questions: what is the size and shape of the universe, and how will it end?
Secrets of Lost Empires II: China Bridge
Two teams working from opposite sides of a turbulent river attempt to build a 12th-century Chinese bridge.
Secrets of Lost Empires II: Easter Island
How did the ancient Easter Islanders move and erect giant stone statues? Our team tests one theory.
Secrets of Lost Empires II: Medieval Siege
Two teams set out to build precise replicas of a fearsome medieval weapon—the trebuchet.
Secrets of Lost Empires II: Pharaoh's Obelisk
Experts take on the challenge of raising a 40-ton obelisk without using modern technology.
Secrets of Lost Empires II: Roman Bath
NOVA sets out to create a working Roman bath, complete with hot tubs and underfloor heating.
Stationed in the Stars
NOVA examines the International Space Station, the largest construction project ever undertaken in orbit.
A team of doctors and climbers on Mt. McKinley investigate the body's ability to maintain its core temperature in sub-zero weather.
Tales from the Hive
Our cinematographer films inside a hive and follows bees in flight to capture honeybee behavior.
Trillion Dollar Bet
An elegant mathematical formula attracts Wall Street's attention and spawns a multi-trillion-dollar industry.
Recent discoveries paint a complex portrait of the Vikings and their boat journeys to places as far-flung as Istanbul.
What's Up with the Weather?
FRONTLINE and NOVA take on a complex and critical phenomenon—global warming.
Wilds of Madagascar, The
Scientists try to capture and study a catlike predator known as the fossa and an extremely rare lemur called the silky sifaka.