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Richard Dawkins Conversation with Neil deGrasse Tyson at Hayden Planetarium

Edited by: Graham McCann and Stephanie Guttormson
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Evolution of Size HD

How do we measure up? U understand the amazing processes that gave us vertebrates smaller than a thumbnail and longer than a diesel locomotive. But what are the mechanisms...
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Evolution of Flight

How did the very first vertebrate flyer the, the pterosaur, escape it's earthly bounds 220 million years ago. This creature eventually evolved into flying goliath the size of small...
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Evolution of Shape

Over millions of years, pressures to gain even the slightest edge have resulted in nearly infinite variations on the basic animal shape. Explore the evolution of animal shape and...
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Evolution of Guts HD

It doesn't just take willpower to survive it takes guts. Life needs the energy to exist and almost all animals get their energy in the same way, with a...
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White Lions: The King Of Kings

a magnificent documentary about the majestic white lion.
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Dramatic Lion Hunt: Lions The Best Hunters Ever! Wildlife

An amazing, yet emotional sighting! Dramatic scenes as the Selati male lions start to stalk a herd of buffalo. The male lions have their eye on a buffalo cow...
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Evolution of Communication HD

Communication isn't just the key to a good relationship; it also goes a long way toward ensuring the success of a species. While humans, comfortable at the top of...
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Evolution of SEX HD

Sex is a necessity for most species to survive. As evolution continues, are we approaching time when sex will no longer be a necessity? How is this possible? The...
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Evolution of Eyes

Seeing is believing not to mention evading, eating and surviving! Learn how the eyeball evolved from ancestors of jellyfish who developed light-sensitive cells to the unique adaptations that allowed...