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Ages: 10 - 18
TRANSLOGIC 76: Elon Musk Interview, SpaceX
From YouTube, produced by AOLauto
So, who will be the first to Mars? The U.S., China, or Elon Musk? We ask the SpaceX (and Tesla Motors) CEO this question and more in an exclusive TRANSLOGIC  interview. (06:02)
October 26, 2011 at 04:24 PM
Not Right For WatchKnowLearn
Ages: 10 - 18
From the Heart
From teachersdomain.org
This video segment describes how the chambers of the heart contract and relax in synchrony to push blood through the pulmonary and systemic loops of the circulatory system. You'll see how the heart pumps oxygen-depleted blood to the lungs, where red ... [more]
September 9, 2010 at 10:36 PM
Not Right For WatchKnowLearn
Ages: 14 - 18
Biography: Charles A. Lindbergh: The Crowded Idol
From Hulu, produced by the biography channel
The triumphs and tragedies of Lindbergh, who conquered of the Atlantic and was a reclusive hero, are explored from childhood to old age. Hosted by Peter Graves. This is an excellent video about Lindbergh's life. (37 minutes)
June 6, 2010 at 06:29 PM
Not Right For WatchKnowLearn
Ages: 3 - 7
Set of Four Dots
From YouTube, produced by Sesame Street.org
The numeral 4 is represented with 4 dots.  The 4 dots are rearranged in different patterns. The child recognizes there are still 4 dots, no matter the pattern.  At the end, one dot is removed and the child identifies the new set as as set of 3.  (00:... [more]
August 6, 2009 at 05:45 PM
Not Right For WatchKnowLearn
Ages: 18 - 18
How to Add a Video
From WatchKnow, produced by WatchKnowLearn
WatchKnowLearn is a wiki, which means that all of our users are strongly encouraged to add quality videos into our directory. It's a simple, three-step process to embed a video from another place on the internet into the WKL directory. This short vid... [more]
January 12, 2012 at 03:50 PM
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