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97,421 views
2013-01-10
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234,276 views
2013-01-09
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1,466,252 views
2013-01-08
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1,982,438 views
2013-01-07
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42,594 views
2013-01-04
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124,135 views
2013-01-03
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131,630 views
2012-12-20
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101,968 views
2012-12-19
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1,013,439 views
2012-12-18
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698,066 views
2012-12-17
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2,531,015 views
2012-12-13
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1,120,753 views
2012-12-12
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152,326 views
2012-12-11
Radioactivity: Expect the unexpected - Steve Weatherall
926,110 views
2012-12-10
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572,630 views
2012-12-06
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2,225,787 views
2012-12-05
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9,146,872 views
2012-12-04
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172,745 views
2012-12-03
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329,097 views
2012-11-29
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1,369,078 views
2012-11-27
DNA: The book of you - Joe Hanson
623,093 views
2012-11-26
The genius of Mendeleev's periodic table - Lou Serico
3,115,340 views
2012-11-21
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3,331,859 views
2012-11-20
Would you weigh less in an elevator? - Carol Hedden
327,084 views
2012-11-19
Does stress cause pimples? - Claudia Aguirre
1,288,421 views
2012-11-15
An anti-hero of one's own - Tim Adams
1,380,943 views
2012-11-13
Dark matter: How does it explain a star's speed? - Don Lincoln
101,106 views
2012-11-12
A needle in countless haystacks: Finding habitable worlds - Ariel Anbar
423,416 views
2012-11-08
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158,974 views
2012-11-07
The oddities of the first American election - Kenneth C. Davis
240,857 views
2012-11-05
Does your vote count? The Electoral College explained - Christina Greer
8,252,407 views
2012-11-01
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1,114,122 views
2012-10-31
A 3-minute guide to the Bill of Rights - Belinda Stutzman
2,142,259 views
2012-10-30
A glimpse of teenage life in ancient Rome - Ray Laurence
12,210,337 views
2012-10-29
Gerrymandering: How drawing jagged lines can impact an election - Christina Greer
1,087,364 views
2012-10-25
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284,349 views
2012-10-24
The Making of the American Constitution - Judy Walton
954,125 views
2012-10-23
Diagnosing a zombie: Brain and body (Part one) - Tim Verstynen & Bradley Voytek
853,199 views
2012-10-22
The city of walls: Constantinople - Lars Brownworth
1,323,441 views
2012-10-18
How inventions change history (for better and for worse) - Kenneth C. Davis
836,845 views
2012-10-17
Rethinking thinking - Trevor Maber
981,846 views
2012-10-15
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419,703 views
2012-10-11
Describing the invisible properties of gas - Brian Bennett
177,549 views
2012-10-10
The ABC's of gas: Avogadro, Boyle, Charles - Brian Bennett
207,272 views
2012-10-09
The story behind your glasses - Eva Timothy
131,612 views
2012-10-08
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397,769 views
2012-10-04
The twisting tale of DNA - Judith Hauck
499,444 views
2012-10-03
The carbon cycle - Nathaniel Manning
631,061 views
2012-10-02