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A documentary about the development and spread of the virtual currency called Bitcoin.
Glacier National Park is undergoing dramatic changes. As the glaciers that give this wilderness its name rapidly melt away, it is clear the park will never be the same. Explore the backcountry of this scenic region s pristine forests, alpine meadows, rugged mountains, and spectacular lakes to discover a dramatic transformation and witness a defiant new environment as it emerges.
Big-cat expert Boone Smith tracks pumas in Patagonia, but the tables are turned when a big cat starts to stalk him.
The tiny, subterranean shrew uses echolocation like a bat, venom like a snake, and must eat every two hours to survive.
The premise of the program is that sharks can be brought into a state of tonic immobility by flipping them on their back, and that this characteristic might explain how a supposed series of Great white shark killings occurred.
The rugged coast of our biggest state harbors the most incredible wildlife in America. When winter breaks, animals make the most of the endless sunshine before this world closes again in darkness. This is the story of the creatures that endure this harsh reality along the shoreline—Alaska's life on the edge.
One family of polar bears takes a journey across the arctic tundra that they call home. You'll see the Coca-Cola Polar Bears as you've never seen them before...