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114,645 views
2013-02-20
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118,036 views
2013-02-19
Inventing the American presidency - Kenneth C. Davis
199,560 views
2013-02-18
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618,889 views
2013-02-14
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1,238,969 views
2013-02-13
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447,507 views
2013-02-12
How Curiosity got us to Mars - Bobak Ferdowsi
73,174 views
2013-02-11
The historical audacity of the Louisiana Purchase - Judy Walton
743,547 views
2013-02-07
Make robots smarter - Ayanna Howard
66,104 views
2013-02-06
How did trains standardize time in the United States? - William Heuisler
234,559 views
2013-02-05
How polarity makes water behave strangely - Christina Kleinberg
1,124,802 views
2013-02-04
What if we could look inside human brains? - Moran Cerf
220,332 views
2013-01-31
Life of an astronaut - Jerry Carr
701,354 views
2013-01-30
In on a secret? That's dramatic irony - Christopher Warner
1,759,816 views
2013-01-29
Parasite tales: The jewel wasp's zombie slave - Carl Zimmer
112,050 views
2013-01-28
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221,839 views
2013-01-24
Network theory - Marc Samet
222,416 views
2013-01-23
Rapid prototyping Google Glass - Tom Chi
434,288 views
2013-01-22
Is light a particle or a wave? - Colm Kelleher
1,658,956 views
2013-01-17
Write your story, change history - Brad Meltzer
230,415 views
2013-01-16
How to defeat a dragon with math - Garth Sundem
4,600,743 views
2013-01-15
What Aristotle and Joshua Bell can teach us about persuasion - Conor Neill
1,049,627 views
2013-01-14
Phenology and nature's shifting rhythms - Regina Brinker
98,534 views
2013-01-10
Activation energy: Kickstarting chemical reactions - Vance Kite
236,842 views
2013-01-09
How we see color - Colm Kelleher
1,486,045 views
2013-01-08
You are your microbes - Jessica Green and Karen Guillemin
1,990,896 views
2013-01-07
Detention or Eco Club: Choosing your future - Juan Martinez
42,663 views
2013-01-04
Conserving our spectacular, vulnerable coral reefs - Joshua Drew
125,550 views
2013-01-03
A tap dancer's craft - Andrew Nemr
102,139 views
2012-12-19
What is color? - Colm Kelleher
1,022,897 views
2012-12-18
Why is there a "b" in doubt? - Gina Cooke
698,992 views
2012-12-17
Situational irony: The opposite of what you think - Christopher Warner
2,549,900 views
2012-12-13
Solving the puzzle of the periodic table - Eric Rosado
1,134,898 views
2012-12-12
Inside a cartoonist's world - Liza Donnelly
153,645 views
2012-12-11
Radioactivity: Expect the unexpected - Steve Weatherall
934,240 views
2012-12-10
Pizza physics (New York-style) - Colm Kelleher
573,495 views
2012-12-06
How do cancer cells behave differently from healthy ones? - George Zaidan
2,265,963 views
2012-12-05
What makes a hero? - Matthew Winkler
9,209,616 views
2012-12-04
Let's talk about sex - John Bohannon and Black Label Movement
175,493 views
2012-12-03
How does work...work? - Peter Bohacek
336,192 views
2012-11-29
How did English evolve? - Kate Gardoqui
1,375,361 views
2012-11-27
DNA: The book of you - Joe Hanson
630,241 views
2012-11-26
The genius of Mendeleev's periodic table - Lou Serico
3,163,581 views
2012-11-21
Three anti-social skills to improve your writing - Nadia Kalman
3,347,169 views
2012-11-20
Would you weigh less in an elevator? - Carol Hedden
329,639 views
2012-11-19
Does stress cause pimples? - Claudia Aguirre
1,293,602 views
2012-11-15
An anti-hero of one's own - Tim Adams
1,384,307 views
2012-11-13
Dark matter: How does it explain a star's speed? - Don Lincoln
101,406 views
2012-11-12