The Great Inca Rebellion
Mass graves and forensic evidence reveal a complex truth about how the Inca Empire fell.
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The Great Inca Rebellion
Through a mix of crime-lab science, archeology, and history, this NOVA/National Geographic special presents new evidence that is changing what we know about the final days of the once-mighty Inca Empire. This probing story of archeological discovery begins in a cemetery crammed with skeletons that offer tantalizing clues about a fierce 16th-century battle between warriors of the collapsing Inca Empire and Spanish invaders. Now, the long-accepted account of a swift Spanish conquest of the Inca—achieved with guns, steel, and horses—is being replaced by a more complete story based on surprising new evidence, including what may be the first gunshot wound in the Americas.
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- 52:52
Deadliest Tornadoes
In 2011, the worst tornado season in decades left a trail of destruction across the U.S., killing more than 550 people. Why was there such an extreme outbreak? How do such outbreaks form? With modern warning systems, why did so many die? Is our weather getting more extreme - and if so how bad will it get? In this NOVA special, we meet scientists striving to understand the forces at work behind last year's outbreak. Could their work improve tornado prediction in the future? We also meet people whose lives have been upended by these extreme weather events and and learn how we all can protect ourselves and our communities for the future.
Deadliest Tornadoes
Why was the 2011 tornado season in the U.S. so extreme, and, with advanced warning systems, why did so many die?
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- 53:07
Smartest Machine on Earth
Jeopardy! challenges even the best human minds. Can a computer win the game?
Smartest Machine on Earth
Jeopardy! challenges even the best human minds. Can a computer win the game?
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- Running Time:
- 53:06
Secrets of the Sun
It contains 99.9 percent of all the matter in our solar system and sheds hot plasma at nearly a million miles an hour. The temperature at its core is a staggering 27 million degrees Fahrenheit. It convulses, it blazes, it sings. You know it as the sun. Scientists know it as one of the most amazing physics laboratories in the universe. Now, with the help of new spacecraft and Earth-based telescopes, scientists are seeing the sun as they never have before and even recreating what happens at its very center in labs here on Earth. Their work will help us understand aspects of the sun that have puzzled scientists for decades. But more critically, it may help us predict and track solar storms that have the power to zap our power grid, shut down telecommunications, and ground global air travel for days, weeks, or even longer. Such storms have happened before—but never in the modern era of satellite communication. "Secrets of the Sun" reveals a bright new dawn in our understanding of our nearest star—one that might help keep our planet from going dark.
Secrets of the Sun
With new tools, scientists are striving to better grasp our star and its potentially widely destructive solar storms.
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- 52:53
Why Ships Sink
Twenty million passengers embark on cruises each year, vacationing in deluxe "floating cities" that offer everything from swimming pools to shopping malls to ice skating rinks. And the ships just keep getting bigger: The average cruise ship has doubled in size in just the last ten years. Some engineers fear that these towering behemoths are dangerously unstable, and the recent tragedy of the Costa Concordia has raised new questions about their safety. Now, NOVA brings together marine engineering and safety experts to reconstruct the events that led up to famous cruise disasters, including the ill-fated Concordia, the Sea Diamond, and the Oceanos.
Why Ships Sink
Are you safe aboard a modern cruise ship?
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- 1:53:07
Hunting the Elements
Where do nature's building blocks, called the elements, come from? They're the hidden ingredients of everything in our world, from the carbon in our bodies to the metals in our smartphones. To unlock their secrets, David Pogue, technology columnist and lively host of NOVA's popular "Making Stuff" series, spins viewers through the world of weird, extreme chemistry: the strongest acids, the deadliest poisons, the universe's most abundant elements, and the rarest of the rare—substances cooked up in atom smashers that flicker into existence for only fractions of a second.
Hunting the Elements
A two-hour special from the producers of "Making Stuff"
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- 53:07
Japan's Killer Quake
In its worst crisis since World War II, Japan faces disaster on an epic scale: a death toll likely in the tens of thousands, massive destruction of homes and businesses, shortages of water and power, and the specter of nuclear meltdown. With exclusive footage, NOVA captures the unfolding human drama and offers a clear-headed investigation of what triggered the earthquake, tsunami, and subsequent nuclear crisis. Can science and technology ever prevent devastation in the face of overwhelmingly powerful forces of nature?
Japan's Killer Quake
An eyewitness account and investigation of the epic earthquake, tsunami, and nuclear crisis
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- Running Time:
- 52:51
Extreme Cave Diving
Follow a fearless team of scientists as they venture into blue holes—underwater caves that formed during the last ice age, when sea level was nearly 400 feet below what it is today. These caves, little-known treasures of the Bahamas, are one of Earth's least explored and most dangerous frontiers. The interdisciplinary team of biologists, climatologists, and anthropologists discover intriguing evidence of the earliest human inhabitants of the islands, find animals seen nowhere else on Earth, and recover a remarkable record of the planet's climate.
Extreme Cave Diving
A team of intrepid scientists journey into one of Earth's most dangerous and beautiful underwater frontiers.
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- Running Time:
- 53:02
Separating Twins
This is the incredible story of Trishna and Krishna, twin girls born joined at the head. Abandoned shortly after birth at an orphanage in Bangladesh, they had little chance of survival, until they were saved and taken to Australia by an aid worker. After two years battling for life, the twins are ready for a series of delicate operations that will prepare them for the ultimate challenge: a marathon separation surgery that will allow them to live truly separate lives. Since the beginning, surgeons knew there was no guarantee of survival for either of the girls—but without surgery there was no hope at all. With exclusive access to this extraordinary human and medical drama, our cameras have been with Trishna and Krishna and their caregivers at each moment of their journey.
Separating Twins
Follow the amazing story of Trishna and Krishna, girls born joined at the head, as surgeons prepare to separate them.
- Video
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- Full Episode
- Running Time:
- 53:03
Ice Age Death Trap
In the Rocky Mountains, archeologists uncover a unique fossil site packed with astonishingly well-preserved bones of mammoths, mastodons, and other giant extinct beasts. The discovery opens a highly focused window on the vanished world of the Ice Age in North America.
Ice Age Death Trap
Scientists race to uncover a site in the Rockies packed with fossil mammoths and other extinct ice age beasts.
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- 53:07
3D Spies of WWII
During World War II, Hitler's scientists developed terrifying new weapons of mass destruction. Alarmed by rumors of advanced rockets and missiles, Allied intelligence recruited a team of brilliant minds from British universities and Hollywood studios to a country house near London. Here, they secretly pored over millions of air photos shot at great risk over German territory by specially converted, high-flying Spitfires. Peering at the photos through 3D stereoscopes, the team spotted telltale clues that revealed hidden Nazi rocket bases. The photos led to devastating Allied bombing raids that dealt crucial setbacks to the German rocket program and helped ensure the success of the D-Day landings. With 3D graphics that recreate exactly what the photo spies saw, NOVA tells the suspenseful, previously untold story of air photo intelligence that played a vital role in defeating the Nazis.
3D Spies of WWII
With 3D graphics, NOVA reveals how the Allies used special aerial photos to deal a dire blow to the Nazi rocket program.
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- Full Episode
- Running Time:
- 52:45
Deadliest Volcanoes
Millions of people around the world live in the shadow of active volcanoes. Under constant threat of massive volcanic eruptions, their homes and their lives are daily at risk from these sleeping giants. From Japan's Mount Fuji to the "Sleeping Giant" submerged beneath Naples to the Yellowstone "supervolcano" in the United States, we will travel with scientists from around the world who are at work on these sites, attempting to discover how likely these volcanoes are to erupt, when it might happen, and exactly how deadly they could prove to be.
Deadliest Volcanoes
From Japan's Mt. Fuji to Yellowstone's buried supervolcano, how can we best prepare for the most lethal eruptions?
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