05:01

Mathematics

Can you solve the secret assassin society riddle?

Lesson duration 05:01

1,242,430 Views

05:18

Mathematics

Can you solve the time traveling car riddle?

Lesson duration 05:18

800,717 Views

05:08

Thinking & Learning

This one weird trick will get you infinite gold

Lesson duration 05:08

1,382,504 Views

05:07

Thinking & Learning

Can you solve the giant spider riddle?

Lesson duration 05:07

3,153,118 Views

04:53

Thinking & Learning

Can you cheat death by solving this riddle?

Lesson duration 04:53

5,715,868 Views

05:38

Thinking & Learning

Can you solve the Trojan War riddle?

Lesson duration 05:38

2,738,786 Views

05:34

Design, Engineering & Technology

A day in the life of an ancient Greek architect

Lesson duration 05:34

583,363 Views

05:49

Mathematics

Can you solve the cheating royal riddle?

Lesson duration 05:49

5,223,302 Views

05:13

Mathematics

The greatest mathematician that never lived

Lesson duration 05:13

2,684,336 Views

05:33

Civics

Which voting system is the best?

Lesson duration 05:33

1,287,868 Views

04:59

Critical Thinking

Game theory challenge: Can you predict human behavior?

Lesson duration 04:59

1,596,823 Views

05:05

Business & Economics

What causes an economic recession?

Lesson duration 05:05

2,185,594 Views

04:40

Mathematics

How exactly does binary code work?

Lesson duration 04:40

1,509,411 Views

05:26

Mathematics

Can you solve the wizard standoff riddle?

Lesson duration 05:26

13,638,681 Views

04:51

Mathematics

Why can't you divide by zero?

Lesson duration 04:51

10,545,821 Views

05:03

Physical Science

What in the world is topological quantum matter?

Lesson duration 05:03

651,986 Views

04:10

Information Literacy

How to spot a misleading graph

Lesson duration 04:10

3,173,156 Views

05:09

Mathematics

The Scientific Way to Cut a Cake

Lesson duration 05:09

17,194,972 Views

05:24

Critical Thinking

Can you solve the pirate riddle?

Lesson duration 05:24

11,414,901 Views

04:37

Cognition and Learning

Why do people get so anxious about math?

Lesson duration 04:37

2,980,796 Views

05:08

Mathematics

A brief history of numerical systems

Lesson duration 05:08

1,086,073 Views

05:00

Mathematics

Why do airlines sell too many tickets?

Lesson duration 05:00

2,536,290 Views

04:30

Mathematics

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

Lesson duration 04:30

3,482,684 Views

04:38

Mathematics

Can you solve the airplane riddle?

Lesson duration 04:38

7,050,682 Views