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12:07

Chris Anderson (TED)

Questions no one knows the answers to

Views 27M
5:46

Jeff Dekofsky

The Infinite Hotel Paradox

Views 22M
3:34

Alex Gendler

Can you solve the bridge riddle?

Views 20M
19:50

Hans Rosling

The best stats you've ever seen

Views 15M
10:12

Stephen Hawking

Questioning the universe

Views 13M
4:57

Dan Van der Vieren

Can you solve "Einstein's Riddle"?

Views 11M
4:40

Alex Gendler

Can you solve the three gods riddle?

Views 11M
4:52

Lisa Winer

Can you solve the virus riddle?

Views 11M
3:42

Lisa Winer

Can you solve the locker riddle?

Views 10M
15:14

Arthur Benjamin

A performance of "Mathemagic"

Views 10M
4:32

Yossi Elran

Can you solve the prisoner boxes riddle?

Views 9.9M
4:03

Dennis Shasha

Can you solve the temple riddle?

Views 9.7M
5:09

Alex Gendler

Can you solve the pirate riddle?

Views 9.5M
4:23

Natalya St. Clair

The unexpected math behind Van Gogh's "Starry Night"

Views 8.9M
3:48

Ganesh Pai

Can you solve the passcode riddle?

Views 8.9M
6:24

Arthur Benjamin

The magic of Fibonacci numbers

Views 8.4M
4:14

Jennifer Lu

Can you solve the counterfeit coin riddle?

Views 8.2M
21:47

Brian Greene

Is our universe the only universe?

Views 7.1M
3:58

Lisa Winer

Can you solve the river crossing riddle?

Views 6.4M
3:24

Daniel Finkel

Can you solve the unstoppable blob riddle?

Views 6.3M
4:17

Judd A. Schorr

Can you solve the airplane riddle?

Views 6.2M
3:55

Jac de Haan

Why do competitors open their stores next to one another?

Views 5.9M
17:02

Hannah Fry

The mathematics of love

Views 5.6M
4:52

Matt Anticole

Why the metric system matters

Views 5.5M
3:40

Dennis Shasha

Can you solve the control room riddle?

Views 5.3M
3:39

Adrián Paenza

How folding paper can get you to the moon

Views 5.2M
4:37

Matt Anticole

What's the difference between accuracy and precision?

Views 5.1M
6:00

Amber Stuver

Einstein's twin paradox explained

Views 4.7M
5:28

Katerina Kaouri

The sonic boom problem

Views 4.6M
9:43

Scott Rickard

The beautiful math behind the world's ugliest music

Views 4.5M
4:34

Dan Finkel

Can you solve the Ragnarok riddle?

Views 4.4M
3:57

Terry Moore

Why is 'x' the unknown?

Views 4.2M
9:29

Randall Munroe

Comics that ask "what if?"

Views 4M
4:36

Shravan S K

Can you cheat death by solving this riddle?

Views 4M
5:24

Lucas Husted

How to outsmart the Prisoner's Dilemma

Views 3.9M
17:04

Roger Antonsen

Math is the hidden secret to understanding the world

Views 3.8M