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66,418 views
2013-02-06
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239,515 views
2013-02-05
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1,153,738 views
2013-02-04
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221,980 views
2013-01-31
Life of an astronaut - Jerry Carr
702,563 views
2013-01-30
In on a secret? That's dramatic irony - Christopher Warner
1,793,858 views
2013-01-29
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112,538 views
2013-01-28
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225,787 views
2013-01-24
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224,283 views
2013-01-23
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439,937 views
2013-01-22
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1,697,147 views
2013-01-17
Write your story, change history - Brad Meltzer
232,105 views
2013-01-16
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4,626,212 views
2013-01-15
What Aristotle and Joshua Bell can teach us about persuasion - Conor Neill
1,078,705 views
2013-01-14
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102,350 views
2013-01-10
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242,012 views
2013-01-09
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1,523,216 views
2013-01-08
You are your microbes - Jessica Green and Karen Guillemin
2,002,875 views
2013-01-07
Detention or Eco Club: Choosing your future - Juan Martinez
42,987 views
2013-01-04
Conserving our spectacular, vulnerable coral reefs - Joshua Drew
127,851 views
2013-01-03
Curiosity, discovery and gecko feet - Robert Full
132,796 views
2012-12-20
A tap dancer's craft - Andrew Nemr
102,380 views
2012-12-19
What is color? - Colm Kelleher
1,038,922 views
2012-12-18
Why is there a "b" in doubt? - Gina Cooke
700,688 views
2012-12-17
Situational irony: The opposite of what you think - Christopher Warner
2,581,680 views
2012-12-13
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1,154,334 views
2012-12-12
Inside a cartoonist's world - Liza Donnelly
155,950 views
2012-12-11
Radioactivity: Expect the unexpected - Steve Weatherall
947,245 views
2012-12-10
Pizza physics (New York-style) - Colm Kelleher
577,003 views
2012-12-06
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2,337,373 views
2012-12-05
What makes a hero? - Matthew Winkler
9,311,506 views
2012-12-04
Let's talk about sex - John Bohannon and Black Label Movement
177,427 views
2012-12-03
How does work...work? - Peter Bohacek
347,805 views
2012-11-29
How did English evolve? - Kate Gardoqui
1,386,235 views
2012-11-27
DNA: The book of you - Joe Hanson
644,796 views
2012-11-26
The genius of Mendeleev's periodic table - Lou Serico
3,234,553 views
2012-11-21
Three anti-social skills to improve your writing - Nadia Kalman
3,370,393 views
2012-11-20
Would you weigh less in an elevator? - Carol Hedden
333,707 views
2012-11-19
Does stress cause pimples? - Claudia Aguirre
1,307,877 views
2012-11-15
An anti-hero of one's own - Tim Adams
1,390,102 views
2012-11-13
Dark matter: How does it explain a star's speed? - Don Lincoln
101,815 views
2012-11-12
A needle in countless haystacks: Finding habitable worlds - Ariel Anbar
425,341 views
2012-11-08
How life came to land - Tierney Thys
159,889 views
2012-11-07
The oddities of the first American election - Kenneth C. Davis
248,565 views
2012-11-05
Does your vote count? The Electoral College explained - Christina Greer
8,358,314 views
2012-11-01
Beware of nominalizations (AKA zombie nouns) - Helen Sword
1,122,962 views
2012-10-31
A 3-minute guide to the Bill of Rights - Belinda Stutzman
2,235,949 views
2012-10-30
A glimpse of teenage life in ancient Rome - Ray Laurence
12,410,553 views
2012-10-29