04:45

Mathematics

Can you solve the penniless pilgrim riddle?

860,824 views

05:26

Mathematics

Can you solve the wizard standoff riddle?

2,299,384 views

05:20

Mathematics

Can you solve the false positive riddle?

998,669 views

05:03

Mathematics

Can you solve the buried treasure riddle?

642,072 views

06:01

Mathematics

Can you solve the seven planets riddle?

1,300,087 views

04:23

Mathematics

The coin flip conundrum

419,612 views

05:26

Mathematics

Can you solve the dark coin riddle?

1,439,845 views

04:47

Mathematics

Can you solve the egg drop riddle?

2,141,418 views

04:10

Thinking & Learning

How to spot a misleading graph

717,077 views

05:07

Mathematics

Check your intuition: The birthday problem

1,141,714 views

05:24

Thinking & Learning

Can you solve the pirate riddle?

3,342,538 views

04:54

Thinking & Learning

Can you solve the three gods riddle?

6,242,912 views

04:35

Mathematics

Can you solve the counterfeit coin riddle?

3,924,546 views

05:00

Mathematics

Why do airlines sell too many tickets?

1,452,406 views

04:30

Mathematics

How high can you count on your fingers? (Spoiler: much higher than 10)

1,502,630 views

04:39

Design, Engineering & Technology

Can machines read your emotions?

230,540 views

04:39

Thinking & Learning

What's the fastest way to alphabetize your bookshelf?

1,618,249 views

04:19

Mathematics

Can you solve the river crossing riddle?

3,093,353 views

04:52

Mathematics

Can you solve the prisoner boxes riddle?

5,405,811 views

04:39

Mathematics

How the Königsberg bridge problem changed mathematics

577,356 views

03:46

Business & Economics

The paradox of value

1,180,853 views

02:28

Mathematics

How to visualize one part per million

261,607 views

05:08

Mathematics

Why the metric system matters

2,597,588 views

04:08

Mathematics

Can you solve the passcode riddle?

5,429,284 views