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  • PBS
  • 21
  • Documentary

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21
21x1
Codebreakers
Episode overview
NOVA delves into the history of secret communications and the people who wrack their brains to decipher them. The program probes the most celebrated of all cryptographic coups: the .. show full overview
21x2
Dinosaurs of the Gobi
Episode overview
Velociraptors and primitive birds are among the fabulous fossil finds as NOVA accompanies an American Museum of Natural History expedition to the Gobi Desert. The trip relives the .. show full overview
21x3
Daredevils of the Sky
Episode overview
NOVA follows members of the US Aerobatic Team as they prepare for and compete in the 1992 World Aerobatic Championship. The sport, as precisely choreographed as gymnastics-except that it .. show full overview
21x4
Journey to Kilimanjaro
Episode overview
NOVA explores ice-capped mountains-on the equator. These African giants are magical islands of life towering above the scorched plains. Giant forest hogs, bearded vultures, the elusive .. show full overview
21x5
Can Chimps Talk?
Episode overview
NOVA covers exciting and controversial research with chimpanzees who have been trained to express themselves with human symbols. Are they speaking their minds? Or are they just aping their trainers?
21x6
In Search of Human Origins: The Story of Lucy
Episode overview
In the first of a three-part series, noted anthropologist Donald Johanson probes the earliest ancestors of the human species - reaching back more than three million years to a strange .. show full overview
21x7
In Search of Human Origins: Surviving in Africa
Episode overview
Anthropologist Donald Johanson looks at how our human ancestors of two million years ago made their living. Contrary to popular myth, scavenging was a more lucrative living than .. show full overview
21x8
In Search of Human Origins: The Creative Revolution
Episode overview
At what point did our distant ancestors become anatomically like us? And, more importantly, when did they begin to act like us? Anthropologist Donald Johanson looks at what it is that makes us human.
21x9
Can China Kick the Habit?
Episode overview
NOVA visits the most cigarette-addicted nation in the world-China. Western advertising and trading practices have exacerbated the fatal romance with smoking in the world's most populous .. show full overview
21x10
Aircraft Carrier!
Episode overview
NOVA experiences the relentless, round-the-clock life aboard the US Navy aircraft carrier, Independence-where every day is a constant drill of launching and landing aircraft atop a .. show full overview
21x11
The Great Wildlife Heist
Episode overview
Polly wants a crackdown when it comes to the illegal trade in the world's most beautiful and intelligent birds: parrots. NOVA goes undercover with a US government sting that breaks an .. show full overview
21x12
Secret of the Wild Child
Episode overview
NOVA profiles "Genie," a girl whose parents kept her imprisoned in near total isolation from infancy. When social workers discovered her as a teenager, Genie had not learned to walk or .. show full overview
21x13
Haunted Cry of a Long Gone Bird
Episode overview
NOVA explores the legacy of the great Auk, a magnificent flightless bird that was hunted to extinction over a century ago. In a journey retracing its migratory route, host Richard .. show full overview
21x14
What's New About Menopause
Episode overview
NOVA tackles the long-taboo subject of menopause, profiling new research and examining the medical and ethical controversies that arise when science enables women to postpone menopause .. show full overview
21x15
The Tribe that Time Forgot
Episode overview
NOVA travels deep into the Amazon wilderness in search of a mysterious tribe- a tribe that dismembered and partially ate three prospectors in 1976. Locating the group, NOVA lives with .. show full overview
21x16
Killer Quake!
Episode overview
NOVA probes the 1994 Los Angeles earthquake. Even as the city struggles to repair itself from the tragedy, seismic pressure continues to build. Scientists fear that newly discovered .. show full overview
21x17
Buried in Ash
Episode overview
Ten million years ago, an enormous volcanic eruption buried much of what is now Nebraska in up to 10 feet of ash, preserving countless skeletons of prehistoric big game animals. NOVA .. show full overview
21x18
Rescue Mission in Space
Episode overview
Hobbled by defective eyesight because of its original, bungled prescription, the Hubble Space Telescope was recently repaired in a dramatic Space Shuttle mission. NOVA follows the .. show full overview
21x19
Journey to the Sacred Sea
Episode overview
NOVA travels to Lake Baikal, the world's oldest and deepest lake, containing one-fifth of all the fresh water on Earth. Investigating Baikal from above, below and all around, NOVA charts .. show full overview
21x20
In Search of the First Language
Episode overview
NOVA explores the common threads that link the more than 5,000 languages of Earth, including a controversial theory that claims to reconstruct words from a time when only a handful of .. show full overview

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