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What an Astronaut
An intimate tour... in 1080p... of Earth's most impressive landscapes... as captured by astronauts with their digital cameras. Dr. Justin Wilkinson from NASA's astronaut team describes the special places that spacemen focus on whenever they get a moment.
Added: 2nd June 2011
Views: 14794

Video Comments (1) / Posted By: Mel
Beard Of Bees - Why Would You Do That
Watch Rick Mercer and a Beard of Bees. For the ful video visit:
Added: 15th May 2011
Views: 18389

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Marble Adding Machine
Marble adding machine in action. More at
Added: 5th March 2011
Views: 9328

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How Far Away is the Moon
How Far Away is the Moon? (The Scale of the Universe) If the Earth were the size of a basketball and the moon a tennis ball, how far apart would they be? Diagrams that are not to scale make us think that they're closer than they really are.
Added: 2nd March 2011
Views: 20367

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Vaccines Save Lives
Bill Gates discusses the incredible lifesaving power of vaccines. In particular, he highlights the case of polio, which is 99 percent eradicated and within reach of being the second disease to ever be completely eliminated from the world. Read the 2011 Annual Letter from Bill Gates at
Added: 1st March 2011
Views: 9576

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