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4:37
Gordon Hamilton
Can you solve the Mondrian squares riddle?
Posted
Jun 2018
3:49
Daniel Finkel
Can you solve the time travel riddle?
Posted
Dec 2018
2:55
Alex Gendler
Can you solve the giant iron riddle?
Posted
Nov 2018
6:24
Arthur Benjamin
The magic of Fibonacci numbers
Posted
Nov 2013
4:32
Daniel Finkel
Can you solve the alien probe riddle?
Posted
Sep 2018
5:11
Rob Reid
The $8 billion iPod
Posted
Mar 2012
13:58
Harry Baker
A love poem for lonely prime numbers
Posted
Mar 2015
3:21
Jeff Dekofsky
Euclid's puzzling parallel postulate
Posted
Mar 2013
3:24
Daniel Finkel
Can you solve the unstoppable blob riddle?
Posted
Mar 2019
8:58
Reuben Margolin
Sculpting waves in wood and time
Posted
May 2012
4:53
Seena Mathew
How fast is the speed of thought?
Posted
Nov 2020
7:01
Dennis Wildfogel
How big is infinity?
Posted
Jul 2012
3:30
Reynaldo Lopes
The infinite life of pi
Posted
Jul 2013
4:40
Alex Gendler
Can you solve the three gods riddle?
Posted
Feb 2017
4:26
Alex Gendler
Can you solve the multiplying rabbits riddle?
Posted
Jan 2019
5:46
Jeff Dekofsky
The Infinite Hotel Paradox
Posted
Jan 2014
7:38
Dan Cobley
What physics taught me about marketing
Posted
Aug 2010
4:03
Dennis Shasha
Can you solve the temple riddle?
Posted
Feb 2016
3:32
Daniel Finkel
Can you solve the vampire hunter riddle?
Posted
Jan 2019
22:52
Emily Levine
A theory of everything
Posted
Apr 2009
3:48
Ganesh Pai
Can you solve the passcode riddle?
Posted
Jul 2016
10:14
Amara Berry
The case for reforming STEM education
Posted
Nov 2017
3:40
Dennis Shasha
Can you solve the control room riddle?
Posted
Jun 2016
3:27
Yannay Khaikin
How many ways can you arrange a deck of cards?
Posted
Mar 2014
4:19
Dennis Shasha
Can you solve the stolen rubies riddle?
Posted
Oct 2018
3:00
Daniel Finkel
Can you solve the troll's paradox riddle?
Posted
Dec 2018
18:04
Mathieu Lehanneur
Science-inspired design
Posted
Nov 2009
7:09
David Merrill
Toy tiles that talk to each other
Posted
Feb 2009
3:50
David Hoffman
Sputnik mania
Posted
Apr 2008
11:28
Mathieu Lamiaux
Imagining a new future for health systems in Africa
Posted
Sep 2015
4:20
JayaShri Maathaa
A magical mantra for nurturing a blissful life
Posted
Nov 2020
10:47
Wanjira Mathai
3 ways to uproot a culture of corruption
Posted
Feb 2020
3:43
Christopher Danielson
One is one... or is it?
Posted
May 2012
6:12
Angela Lee Duckworth
Grit: The power of passion and perseverance
Posted
May 2013
12:49
Alan Smith
Why you should love statistics
Posted
Jan 2017
13:18
Cathy O'Neil
The era of blind faith in big data must end
Posted
Aug 2017
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