Snowball Earth (BBC)

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[edit] General Information

Nature Documentary hosted by Dilly Barlow and published by BBC broadcasted as part of BBC Horizon series in 2001 - English narration

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Image: Snow cover.jpg

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There is a controversial theory that for millions of years the Earth was entirely smothered in ice, up to one kilometre thick. The temperature hovers around -40?C everywhere, even in the tropics and the equator. If it did, then virtually nothing could survive this ferocious climate. There are some tantalising geological clues that show this theory may be true but the problem is, the clues and the Snowball Earth theory defy the laws of nature. For over fifty years a group of scientists has been trying to prove this incredible period of Earth history. Struggling against scepticism and disbelief, now finally the many mysteries have been solved and the scientific community is slowly coming around to the extraordinary idea not just of the dramatic freeze, but of an equally dramatic thaw. Scientists across the world are starting to believe that in the past the Earth froze over completely for ten million years... then warmed up rapidly about 600 million years ago. Almost all life was wiped out. But out of the freeze emerged the first complex creatures on Earth. Scientists now believe that the so-called Snowball Earth theory could hold the key to the evolution of complex life on this planet.

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[edit] Technical Specs

  • Video Codec: Divx 5.2
  • Video Bitrate: 2101 kb/s
  • Video Resolution: 640x480
  • Video Aspect Ratio: 4:3
  • Audio Codec: MP3
  • Audio BitRate: 128 kb/s
  • Audio Channels: 2
  • RunTime Per Part: 43m 43s
  • Number Of Parts: 1
  • Part Size: 700mb
  • Subtitles: English
  • Ripped by jvt40

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