Questions No One Knows the Answers to
1,150,500 views
2012-03-12
Why Can't We See Evidence of Alien Life?
3,393,670 views
2012-03-12
How many universes are there? - Chris Anderson
1,913,456 views
2012-03-12
Symbiosis: A surprising tale of species cooperation - David Gonzales
350,915 views
2012-03-14
Why do Americans vote on Tuesdays?
418,712 views
2012-04-10
Just How Small is an Atom?
7,481,764 views
2012-04-16
Music as a language - Victor Wooten
1,358,143 views
2012-08-13
How taking a bath led to Archimedes' principle - Mark Salata
1,575,276 views
2012-09-06
The oddities of the first American election - Kenneth C. Davis
234,215 views
2012-11-05
What makes a hero? - Matthew Winkler
8,926,698 views
2012-12-04
How we see color - Colm Kelleher
1,395,981 views
2013-01-08
Phenology and nature's shifting rhythms - Regina Brinker
92,392 views
2013-01-10
Is light a particle or a wave? - Colm Kelleher
1,594,311 views
2013-01-17
How polarity makes water behave strangely - Christina Kleinberg
1,043,477 views
2013-02-04
What is fat? - George Zaidan
3,331,424 views
2013-05-22
The terrors of sleep paralysis - Ami Angelowicz
936,119 views
2013-07-25
Why does ice float in water? - George Zaidan and Charles Morton
1,760,591 views
2013-10-22
How we conquered the deadly smallpox virus - Simona Zompi
8,732,371 views
2013-10-28
The deadly irony of gunpowder - Eric Rosado
3,022,486 views
2013-11-04
The operating system of life - George Zaidan and Charles Morton
408,130 views
2013-11-11
The five major world religions - John Bellaimey
12,375,768 views
2013-11-14
The loathsome, lethal mosquito - Rose Eveleth
12,455,039 views
2013-12-02
How to build a fictional world - Kate Messner
7,567,120 views
2014-01-09
The Infinite Hotel Paradox - Jeff Dekofsky
24,480,122 views
2014-01-16
What percentage of your brain do you use? - Richard E. Cytowic
4,153,155 views
2014-01-30
The history of marriage - Alex Gendler
4,245,182 views
2014-02-13
Is there a difference between art and craft? - Laura Morelli
691,722 views
2014-03-06
Sugar: Hiding in plain sight - Robert Lustig
1,276,928 views
2014-03-31
What is Alzheimer's disease? - Ivan Seah Yu Jun
1,302,217 views
2014-04-03
Climate change: Earth's giant game of Tetris - Joss Fong
1,184,630 views
2014-04-22
Population pyramids: Powerful predictors of the future - Kim Preshoff
2,570,491 views
2014-05-05
How the heart actually pumps blood - Edmond Hui
4,038,311 views
2014-05-20
How languages evolve - Alex Gendler
3,029,066 views
2014-05-27
How to choose your news - Damon Brown
1,392,135 views
2014-06-05
Why do honeybees love hexagons? - Zack Patterson and Andy Peterson
2,598,205 views
2014-06-10
Tycho Brahe, the scandalous astronomer - Dan Wenkel
493,498 views
2014-06-12
What gives a dollar bill its value? - Doug Levinson
3,595,819 views
2014-06-23
Inside the ant colony - Deborah M. Gordon
2,025,012 views
2014-07-08
Feedback loops: How nature gets its rhythms - Anje-Margriet Neutel
800,874 views
2014-08-25
Why do we pass gas? - Purna Kashyap
1,161,889 views
2014-09-08
How do vitamins work? - Ginnie Trinh Nguyen
6,118,782 views
2014-10-06
History vs. Christopher Columbus - Alex Gendler
4,984,305 views
2014-10-13
What are those floaty things in your eye? - Michael Mauser
22,133,634 views
2014-12-01
Why are some people left-handed? - Daniel M. Abrams
10,233,561 views
2015-02-03
Why sitting is bad for you - Murat Dalkilinç
8,961,947 views
2015-03-05
The real story behind Archimedes’ Eureka! - Armand D'Angour
4,179,522 views
2015-03-13
Plato’s Allegory of the Cave - Alex Gendler
6,926,039 views
2015-03-17
Where did Earth’s water come from? - Zachary Metz
1,693,492 views
2015-03-23