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700,939 views
2013-01-30
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1,743,758 views
2013-01-29
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111,671 views
2013-01-28
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219,996 views
2013-01-24
Network theory - Marc Samet
221,395 views
2013-01-23
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431,582 views
2013-01-22
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1,643,819 views
2013-01-17
Write your story, change history - Brad Meltzer
229,464 views
2013-01-16
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4,512,694 views
2013-01-15
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1,039,286 views
2013-01-14
Phenology and nature's shifting rhythms - Regina Brinker
97,563 views
2013-01-10
Activation energy: Kickstarting chemical reactions - Vance Kite
234,659 views
2013-01-09
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1,468,810 views
2013-01-08
You are your microbes - Jessica Green and Karen Guillemin
1,983,372 views
2013-01-07
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42,604 views
2013-01-04
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124,307 views
2013-01-03
Curiosity, discovery and gecko feet - Robert Full
131,667 views
2012-12-20
A tap dancer's craft - Andrew Nemr
102,033 views
2012-12-19
What is color? - Colm Kelleher
1,014,479 views
2012-12-18
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698,161 views
2012-12-17
Situational irony: The opposite of what you think - Christopher Warner
2,533,621 views
2012-12-13
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1,122,645 views
2012-12-12
Inside a cartoonist's world - Liza Donnelly
152,505 views
2012-12-11
Radioactivity: Expect the unexpected - Steve Weatherall
927,154 views
2012-12-10
Pizza physics (New York-style) - Colm Kelleher
572,718 views
2012-12-06
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2,230,830 views
2012-12-05
What makes a hero? - Matthew Winkler
9,153,336 views
2012-12-04
Let's talk about sex - John Bohannon and Black Label Movement
173,035 views
2012-12-03
How does work...work? - Peter Bohacek
330,028 views
2012-11-29
How did English evolve? - Kate Gardoqui
1,369,927 views
2012-11-27
DNA: The book of you - Joe Hanson
624,170 views
2012-11-26
The genius of Mendeleev's periodic table - Lou Serico
3,121,969 views
2012-11-21
Three anti-social skills to improve your writing - Nadia Kalman
3,333,464 views
2012-11-20
Would you weigh less in an elevator? - Carol Hedden
327,495 views
2012-11-19
Does stress cause pimples? - Claudia Aguirre
1,288,820 views
2012-11-15
An anti-hero of one's own - Tim Adams
1,381,372 views
2012-11-13
Dark matter: How does it explain a star's speed? - Don Lincoln
101,132 views
2012-11-12
A needle in countless haystacks: Finding habitable worlds - Ariel Anbar
423,468 views
2012-11-08
How life came to land - Tierney Thys
158,995 views
2012-11-07
The oddities of the first American election - Kenneth C. Davis
241,068 views
2012-11-05
Does your vote count? The Electoral College explained - Christina Greer
8,260,790 views
2012-11-01
Beware of nominalizations (AKA zombie nouns) - Helen Sword
1,114,437 views
2012-10-31
A 3-minute guide to the Bill of Rights - Belinda Stutzman
2,147,166 views
2012-10-30
A glimpse of teenage life in ancient Rome - Ray Laurence
12,217,199 views
2012-10-29
Gerrymandering: How drawing jagged lines can impact an election - Christina Greer
1,089,710 views
2012-10-25
Diagnosing a zombie: brain and behavior (Part two) - Tim Verstynen & Bradley Voytek
284,385 views
2012-10-24
The Making of the American Constitution - Judy Walton
956,623 views
2012-10-23
Diagnosing a zombie: Brain and body (Part one) - Tim Verstynen & Bradley Voytek
853,290 views
2012-10-22