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2009-02-09
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315,250 views
2009-01-28
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2008-12-12
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2008-12-05
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2008-12-02
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2008-11-10
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2008-10-28
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2008-10-24
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2008-10-23
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2008-10-13
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2008-10-13
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2008-10-10
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2008-10-07
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2008-09-17
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2008-08-27
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2008-08-19
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2008-08-04
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2008-07-25
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2008-07-21
David Hoffman: How would you feel if you lost everything?
55,597 views
2008-07-10
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40,368 views
2008-07-08
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2008-07-08
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2008-07-08
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2008-06-24
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2008-06-24
Murray Gell-Mann: Do all languages have a common ancestor?
52,825 views
2008-06-13
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2008-05-21
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138,066 views
2008-05-21
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2008-04-15
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3,043,892 views
2008-04-15
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2,724,128 views
2008-04-15
Questioning the universe | Stephen Hawking
6,959,374 views
2008-04-04
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2008-04-04
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2008-04-04
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2008-04-04
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91,214 views
2008-03-27
My stroke of insight | Jill Bolte Taylor | TED
8,419,778 views
2008-03-13