Questions No One Knows the Answers to
1,150,058 views
2012-03-12
Why Can't We See Evidence of Alien Life?
3,393,219 views
2012-03-12
How many universes are there? - Chris Anderson
1,913,041 views
2012-03-12
The Power of Simple Words - Terin Izil
540,583 views
2012-03-12
Deep ocean mysteries and wonders - David Gallo
1,141,514 views
2012-03-12
Symbiosis: A surprising tale of species cooperation - David Gonzales
350,483 views
2012-03-14
The Real Origin of the Franchise - Sir Harold Evans
213,787 views
2012-03-26
Why do Americans vote on Tuesdays?
418,616 views
2012-04-10
Just How Small is an Atom?
7,480,379 views
2012-04-16
Exponential growth: How folding paper can get you to the Moon
6,189,569 views
2012-04-19
Insults by Shakespeare
2,263,581 views
2012-05-04
One is one ... or is it?
1,558,308 views
2012-05-21
The survival of the sea turtle
2,010,045 views
2012-07-23
Music as a language - Victor Wooten
1,357,677 views
2012-08-13
The history of keeping time - Karen Mensing
230,985 views
2012-08-16
Logarithms, Explained - Steve Kelly
1,641,740 views
2012-08-20
Greeting the world in peace - Jackie Jenkins
144,621 views
2012-09-04
How taking a bath led to Archimedes' principle - Mark Salata
1,573,813 views
2012-09-06
An introduction to mathematical theorems - Scott Kennedy
487,059 views
2012-09-10
A clever way to estimate enormous numbers - Michael Mitchell
1,017,520 views
2012-09-12
Newton's 3 Laws, with a bicycle - Joshua Manley
1,859,563 views
2012-09-19
The art of the metaphor - Jane Hirshfield
1,509,492 views
2012-09-24
The carbon cycle - Nathaniel Manning
552,319 views
2012-10-02
The twisting tale of DNA - Judith Hauck
481,399 views
2012-10-03
How breathing works - Nirvair Kaur
375,001 views
2012-10-04
The story behind your glasses - Eva Timothy
129,839 views
2012-10-08
The ABC's of gas: Avogadro, Boyle, Charles - Brian Bennett
197,897 views
2012-10-09
The city of walls: Constantinople - Lars Brownworth
1,287,230 views
2012-10-18
A 3-minute guide to the Bill of Rights - Belinda Stutzman
2,033,869 views
2012-10-30
A needle in countless haystacks: Finding habitable worlds - Ariel Anbar
421,261 views
2012-11-08
Dark matter: How does it explain a star's speed? - Don Lincoln
100,304 views
2012-11-12
Does stress cause pimples? - Claudia Aguirre
1,264,130 views
2012-11-15
What makes a hero? - Matthew Winkler
8,921,647 views
2012-12-04
How do cancer cells behave differently from healthy ones? - George Zaidan
2,130,943 views
2012-12-05
Radioactivity: Expect the unexpected - Steve Weatherall
899,931 views
2012-12-10
Situational irony: The opposite of what you think - Christopher Warner
2,477,149 views
2012-12-13
What is color? - Colm Kelleher
982,491 views
2012-12-18
Conserving our spectacular, vulnerable coral reefs - Joshua Drew
116,510 views
2013-01-03
How we see color - Colm Kelleher
1,394,516 views
2013-01-08
Activation energy: Kickstarting chemical reactions - Vance Kite
224,870 views
2013-01-09
Phenology and nature's shifting rhythms - Regina Brinker
92,293 views
2013-01-10
What Aristotle and Joshua Bell can teach us about persuasion - Conor Neill
987,935 views
2013-01-14
Is light a particle or a wave? - Colm Kelleher
1,592,356 views
2013-01-17
In on a secret? That's dramatic irony - Christopher Warner
1,680,942 views
2013-01-29
How did trains standardize time in the United States? - William Heuisler
224,421 views
2013-02-05
The historical audacity of the Louisiana Purchase - Judy Walton
692,580 views
2013-02-07
Where we get our fresh water - Christiana Z. Peppard
430,252 views
2013-02-12
Fresh water scarcity: An introduction to the problem - Christiana Z. Peppard
586,658 views
2013-02-14