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

04:51

Mathematics

Why can't you divide by zero?

1,725,574 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

419,623 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

04:30

Mathematics

Where do math symbols come from?

724,587 views

04:43

Social Studies

A brief history of banned numbers

899,109 views

04:01

Mathematics

Can you find the next number in this sequence?

436,195 views

04:50

Thinking & Learning

Can you solve the fish riddle?

2,956,709 views

05:13

Thinking & Learning

Can you solve the virus riddle?

3,814,753 views

04:37

Psychology

Why do people get so anxious about math?

615,921 views

05:08

Mathematics

A brief history of numerical systems

363,747 views

04:30

Mathematics

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

1,502,630 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

04:41

Mathematics

What is a vector?

399,169 views

04:39

Mathematics

How the Königsberg bridge problem changed mathematics

577,356 views

02:28

Mathematics

How to visualize one part per million

261,608 views

05:08

Mathematics

Why the metric system matters

2,597,604 views

04:08

Mathematics

Can you solve the passcode riddle?

5,429,284 views