O2: The Molecule that Made Our World

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Science Documentary hosted by Steve Burns, published by National Geographic broadcasted as part of NG Naked Science series in 2008 - English narration

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Oxygen – we all need it, we can't live without it. It's integral to life on this planet. And it's probable that, as you watch this film, you will be breathing in an oxygen atom that was also breathed by Genghis Khan – or by the first ever apes to stand upright on the plains of Africa. The oxygen that we breathe is made from two oxygen atoms joined together – O2. They were first joined more than 3 billion years ago by the earliest blue-green algae to evolve. The oxygen molecule first came from bacteria and was present in the fires that destroyed the dinosaurs and the chemical reactions in all human cells, and as ozone they protect the earth from radiation. Since then, both together and apart, they've had the most extraordinary adventures. Each of the two atoms in an oxygen molecule is virtually indestructible – so they have been first-hand players in some of the most dramatic events in the whole of Earth's history. It's often said that we are breathing the same oxygen that the cavemen did. The life of a single molecule of oxygen is traced on it's astonishing journey spanning millions of years, from its creation, into photosynthesis, through the age of the dinosaurs, early man, and on into today. A Burning Gold & AV Dokumenta Production for ORF UNIVERSUM in Co-Production with BMUKK & BBC

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Video Codec: x264 CABAC High@L4
Video Bitrate: 3 033 Kbps
Video Resolution: 1280x720
Video Aspect Ratio: 16:9
Frames Per Second: 59.940 fps
Audio Codec: AC3
Audio Bitrate: 384kb/s CBR 48000 Hz
Audio Streams: 6
Audio Languages: english
RunTime Per Part: 44 min 52 s
Number Of Parts: 1
Part Size: 1.07 GB
Source: HDTV 720p MPEG2 (Thanks to TrollHD)
Encoded by: DocFreak08