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The Big Chill: A Looming Ice Age?
 This alarming program investigates the likelihood of the biggest climate change in more than 10,000 years. Scientist Richard Alley asserts that global warming contributes to record amounts of cold freshwater from glaciers and the Greenland ice sheet ...(more details) |
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$149.95 |
| DVD + 3-Year Streaming |
$224.93 |
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$149.95 |
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Parallel Universes
 Is M theory Einstein's elusive "theory of everything"? In this program, visionary physicists Neil Turok, of Cambridge University; Burt Ovrut, of the University of Pennsylvania; Paul Steinhardt, of Princeton University; and others theorize on a revolu...(more details) |
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$169.95 |
| DVD + 3-Year Streaming |
$254.93 |
| 3-Year Streaming |
$169.95 |
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Time Trip
 This program explores the complex landscape of time travel theory. Starting with Newton's conclusions that time is fixed and events predetermined, then explaining Einstein's eradication of those notions, the program focuses on exotic speculation begu...(more details) |
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$149.95 |
| DVD + 3-Year Streaming |
$224.93 |
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$149.95 |
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