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What killed the mammoths? Near the end of the last ice age 13,000 years ago, these mighty beasts disappeared from North America together with some 35 other groups of mammals. For four decades, debate has raged over the cause of their abrupt demise. NOVA presents an in-depth investigation of a controversial new hypothesis which suggests that a massive impact from space could be the culprit, and also explores alternate theories.
62) Saving Hubble
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The Hubble Space Telescope-an orbiting eye on the universe that has greatly advanced our knowledge of the cosmos-is in need of repairs never intended to be performed in orbit. Neil de Grasse Tyson takes us to the NASA Goddard Space Flight Center, where our camera crew is given special access to the astronauts training for one of the most complex missions ever attempted.
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Host Neil deGrasse Tyson will tackle one of science's major challenges in each video, framed as a simple question that ordinary people wonder and worry about. Neil will guide us as he explores dramatic discoveries and the frontiers of research that connect each central, provocative mystery. Episode includes: 1) Origins of the Solar System - The shock wave from a supernova may have triggered the formation of our sun and planets five billion years...
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Host Neil deGrasse Tyson will tackle one of science's major challenges in each video, framed as a simple question that ordinary people wonder and worry about. Neil will guide us as he explores dramatic discoveries and the frontiers of research that connect each central, provocative mystery. Episode includes: 1) Can My Car Live Forever? - Irv Gordon has driven his 1966 Volvo more than 2.7 million miles. But don't ask if you can drive it yourself....
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Nova volume 1
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Are there physical limits to how fast humans can go? David Pogue wants to find out how much we can tweak physiology and engineering to move humans and machines even faster. He investigates everything from lightning-fast electric muscle cars to ultra-sleek sailboats to ultra-fast cameras and quantum teleportation. But faster is also about efficiency and the science of optimization: getting things done in less time. From the floor of the New York Stock...
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Venom scientists are in a race against time. Inside the bodies of many creatures, evolution has produced extreme toxic cocktails, all designed for one reason: to kill. It took millions of years to perfect these ultimate brews of proteins and peptides and we have only just begun to discover their potential. Now, the race is on to collect and study them before the animals that produce them disappear. But how does venom do its deadly work? NOVA reveals...
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Nova volume 2
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From the discovery that the Milky Way is just one galaxy among billions to the stunning revelation that these galaxies are speeding away from each other faster every second, this episode investigates the universe's distant past - and its future. Now, modern telescopes have added a mysterious new twist to the plot: The vast majority of the stuff of the universe is invisible, tied up in dark matter and dark energy. But what are these mysterious dark...
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Nova volume 1
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A desperate galaxy cries out for law and order. In the past, an army of peacekeeping Centurions delivered stability. But the Nova Corps are dead and gone now there is only Richard Rider, the man called Nova.
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Nova volume 3
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Join Brian Greene on a wild ride into the weird realm of quantum physics, which governs the universe on the tiniest of scales. Greene brings quantum mechanics to life in a nightclub like no other, where objects pop in and out of existence and things over here can affect others over there, instantaneously — without anything crossing the space between them.
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Nova volume 19
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Could it be -the return of the Nova Corps? Will things ever be the same for Richard Rider? What is the World mind up to, and what will it mean for the future of the Human Rocket and the Nova Corps itself?!
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In central China, a vast underground mausoleum conceals a life-size terracotta army of cavalry, infantry, horses, chariots, weapons, administrators, acrobats, and musicians, all built to serve China's first emperor, Qin Shi Huang Di, in the afterlife. Lost and forgotten for over 2,200 years, this clay army, 8,000-strong, stands poised to help the First Emperor rule again beyond the grave. Now, a new archaeological campaign is probing the thousands...
75) Chasing Pluto
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NOVA captures New Horizons' historic flyby of Pluto, the culmination of the spacecraft's nine-year, three-billion-mile journey to reveal the first ever detailed images of this strange, icy world at the very edge of our solar system.
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Scientists are on the verge of answering one of the greatest questions in history: Are we alone? Combining the latest telescope images with dazzling CGI, Finding Life Beyond Earth immerses audiences in the sights and sounds of alien worlds, while top astrobiologists explain how these places are changing how we think about the potential for life in our solar system
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Over 60,000 years ago, the first modern humans - people physically identical to us today - left their African homeland and entered Europe, then a bleak and inhospitable continent in the grip of the Ice Age. But when they arrived, they were not alone: the stocky, powerfully built Neanderthals had already been living there for hundreds of thousands of years. So what happened when the first modern humans encountered the Neanderthals? Did they make love...
78) Lost Viking Army
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Bioarchaeologists investigate a ninth-century mass grave in a rural English village. Will the remains unlock the mystery of the "Great Heathen Army," a legendary Viking fighting force that once invaded England?
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In October 2012, Superstorm Sandy cut a path of devastation across the Caribbean and the East Coast of the United States, killing hundreds and causing tens of billions of dollars in damage. One year after Sandy's deadly strike, NOVA investigates the critical question raised by this historic storm: What can we do to prepare ourselves for the next Sandy?
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What's the secret to stopping crime? David Pogue gives the third degree to scientists pushing the limits of technology, not only to solve horrific murders but also to try to prevent crimes before they even happen. Pogue learns the latest techniques, from unraveling the clues embedded in a decomposing corpse, to detecting lies by peering directly into a suspect's brain, to tracking the creation of a criminal mind. And we meet a genius crime-stopper...
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