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1,392,751 views
2012-11-13
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101,996 views
2012-11-12
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425,984 views
2012-11-08
How life came to land - Tierney Thys
160,215 views
2012-11-07
Does your vote count? The Electoral College explained - Christina Greer
8,382,062 views
2012-11-01
A glimpse of teenage life in ancient Rome - Ray Laurence
12,456,249 views
2012-10-29
Gerrymandering: How drawing jagged lines can impact an election - Christina Greer
1,134,767 views
2012-10-25
Diagnosing a zombie: Brain and body (Part one) - Tim Verstynen & Bradley Voytek
856,011 views
2012-10-22
The city of walls: Constantinople - Lars Brownworth
1,361,589 views
2012-10-18
How inventions change history (for better and for worse) - Kenneth C. Davis
907,606 views
2012-10-17
Rethinking thinking - Trevor Maber
1,018,203 views
2012-10-15
Describing the invisible properties of gas - Brian Bennett
191,609 views
2012-10-10
The ABC's of gas: Avogadro, Boyle, Charles - Brian Bennett
223,156 views
2012-10-09
The story behind your glasses - Eva Timothy
133,663 views
2012-10-08
How breathing works - Nirvair Kaur
426,025 views
2012-10-04
The twisting tale of DNA - Judith Hauck
528,497 views
2012-10-03
Why do competitors open their stores next to one another? - Jac de Haan
6,879,349 views
2012-10-01
What's invisible? More than you think - John Lloyd
3,024,615 views
2012-09-26
Making sense of spelling - Gina Cooke
371,786 views
2012-09-25
The art of the metaphor - Jane Hirshfield
1,629,449 views
2012-09-24
How to think about gravity - Jon Bergmann
479,512 views
2012-09-17
Why the shape of your screen matters - Brian Gervase
568,122 views
2012-09-13
How big is a mole? (Not the animal, the other one.) - Daniel Dulek
2,610,476 views
2012-09-11
How taking a bath led to Archimedes' principle - Mark Salata
1,710,755 views
2012-09-06
Greeting the world in peace - Jackie Jenkins
148,679 views
2012-09-04
How fiction can change reality - Jessica Wise
821,953 views
2012-08-23
Logarithms, Explained - Steve Kelly
2,055,407 views
2012-08-20
Music as a language - Victor Wooten
1,403,334 views
2012-08-13
How do nerves work? - Elliot Krane
565,399 views
2012-08-09
How big is infinity? - Dennis Wildfogel
3,585,074 views
2012-08-06
The survival of the sea turtle
2,063,519 views
2012-07-23
The vocabulary of electricity - James Sheils
667,094 views
2012-07-16
Calculating The Odds of Intelligent Alien Life - Jill Tarter
1,263,755 views
2012-07-02
How Do Pain Relievers Work? - George Zaidan
4,094,324 views
2012-06-26
How to speed up chemical reactions (and get a date) - Aaron Sams
2,307,348 views
2012-06-18
The wacky history of cell theory - Lauren Royal-Woods
7,356,888 views
2012-06-04
The key to media's hidden codes - Ben Beaton
286,488 views
2012-05-29
One is one ... or is it?
1,581,703 views
2012-05-21
How Life Begins in the Deep Ocean
352,175 views
2012-05-14
Five fingers of evolution - Paul Andersen
1,741,911 views
2012-05-07
Insults by Shakespeare
2,341,735 views
2012-05-04
Sex Determination: More Complicated Than You Thought
4,534,119 views
2012-04-23
Exponential growth: How folding paper can get you to the Moon
6,478,680 views
2012-04-19
Just How Small is an Atom?
7,688,577 views
2012-04-16
Why do Americans vote on Tuesdays?
430,216 views
2012-04-10
The Secret Life of Plankton
2,090,027 views
2012-04-02
Poetic Stickup: Put the Financial Aid in the Bag
304,440 views
2012-03-21
Questions No One Knows the Answers to (Full Version)
29,454,401 views
2012-03-17