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2013-02-14
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442,995 views
2013-02-12
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726,472 views
2013-02-07
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231,977 views
2013-02-05
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1,739,914 views
2013-01-29
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1,641,542 views
2013-01-17
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1,036,953 views
2013-01-14
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97,380 views
2013-01-10
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234,169 views
2013-01-09
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1,465,245 views
2013-01-08
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124,069 views
2013-01-03
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1,013,001 views
2012-12-18
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2,530,050 views
2012-12-13
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925,850 views
2012-12-10
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2,224,435 views
2012-12-05
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9,144,340 views
2012-12-04
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1,288,236 views
2012-11-15
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101,089 views
2012-11-12
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423,394 views
2012-11-08
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2,140,657 views
2012-10-30
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1,323,022 views
2012-10-18
The ABC's of gas: Avogadro, Boyle, Charles - Brian Bennett
207,154 views
2012-10-09
The story behind your glasses - Eva Timothy
131,597 views
2012-10-08
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397,513 views
2012-10-04
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499,061 views
2012-10-03
The carbon cycle - Nathaniel Manning
629,879 views
2012-10-02
The art of the metaphor - Jane Hirshfield
1,568,771 views
2012-09-24
Newton's 3 Laws, with a bicycle - Joshua Manley
2,083,313 views
2012-09-19
A clever way to estimate enormous numbers - Michael Mitchell
1,029,957 views
2012-09-12
An introduction to mathematical theorems - Scott Kennedy
497,008 views
2012-09-10
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1,641,681 views
2012-09-06
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146,710 views
2012-09-04
Logarithms, Explained - Steve Kelly
1,844,528 views
2012-08-20
The history of keeping time - Karen Mensing
241,868 views
2012-08-16
Music as a language - Victor Wooten
1,379,460 views
2012-08-13
The survival of the sea turtle
2,035,600 views
2012-07-23
One is one ... or is it?
1,570,435 views
2012-05-21
Insults by Shakespeare
2,295,773 views
2012-05-04
Exponential growth: How folding paper can get you to the Moon
6,284,737 views
2012-04-19
Just How Small is an Atom?
7,596,818 views
2012-04-16
Why do Americans vote on Tuesdays?
426,440 views
2012-04-10
The Real Origin of the Franchise - Sir Harold Evans
217,250 views
2012-03-26
Symbiosis: A surprising tale of species cooperation - David Gonzales
362,879 views
2012-03-14
Deep ocean mysteries and wonders - David Gallo
1,144,952 views
2012-03-12
The Power of Simple Words - Terin Izil
548,134 views
2012-03-12
Questions No One Knows the Answers to
1,171,921 views
2012-03-12
Why Can't We See Evidence of Alien Life?
3,414,217 views
2012-03-12
How many universes are there? - Chris Anderson
1,926,039 views
2012-03-12