05:01

Mathematics

Can you solve the secret assassin society riddle?

Lesson duration 05:01

1,240,275 Views

04:31

Mathematics

Can you solve the cursed dice riddle?

Lesson duration 04:31

933,743 Views

05:18

Mathematics

Can you solve the time traveling car riddle?

Lesson duration 05:18

799,845 Views

05:08

Thinking & Learning

This one weird trick will get you infinite gold

Lesson duration 05:08

1,381,206 Views

05:03

Design, Engineering & Technology

How do airplanes actually fly?

Lesson duration 05:03

1,979,711 Views

05:20

Thinking & Learning

Can you steal the most powerful wand in the wizarding world?

Lesson duration 05:20

967,496 Views

06:17

Mathematics

Can you solve the private eye riddle?

Lesson duration 06:17

1,559,671 Views

05:34

Mathematics

A riddle of ice and fire dragons

Lesson duration 05:34

1,345,760 Views

06:24

Thinking & Learning

Can you solve the Big Bang riddle?

Lesson duration 06:24

1,303,470 Views

04:48

Mathematics

Can you solve the birthday cake riddle?

Lesson duration 04:48

1,893,916 Views

05:29

Mathematics

Can you solve the human cannonball riddle?

Lesson duration 05:29

966,928 Views

06:19

Mathematics

Can you solve the rogue submarine riddle? Difficulty level: Master

Lesson duration 06:19

1,571,197 Views

05:07

Thinking & Learning

Can you solve the giant spider riddle?

Lesson duration 05:07

3,151,684 Views

05:06

Science & Technology

The method that can "prove" almost anything

Lesson duration 05:06

841,987 Views

04:53

Thinking & Learning

Can you cheat death by solving this riddle?

Lesson duration 04:53

5,713,848 Views

05:38

Thinking & Learning

Can you solve the Trojan War riddle?

Lesson duration 05:38

2,737,164 Views

05:06

Thinking & Learning

Can you solve the demon dance party riddle?

Lesson duration 05:06

1,779,363 Views

05:23

The Arts

The unexpected math of origami

Lesson duration 05:23

439,301 Views

04:59

Science & Technology

This thought experiment will help you understand quantum mechanics

Lesson duration 04:59

307,408 Views

05:34

Design, Engineering & Technology

A day in the life of an ancient Greek architect

Lesson duration 05:34

583,010 Views

05:49

Mathematics

Can you solve the cheating royal riddle?

Lesson duration 05:49

5,219,863 Views

05:13

Mathematics

The greatest mathematician that never lived

Lesson duration 05:13

2,683,971 Views

05:17

Thinking & Learning

Can you solve the world’s most evil wizard riddle?

Lesson duration 05:17

2,602,296 Views

05:27

Thinking & Learning

Can you solve the sea monster riddle?

Lesson duration 05:27

2,786,167 Views