05:03

Mathematics

Can you solve the buried treasure riddle?

371,924 views

06:01

Mathematics

Can you solve the seven planets riddle?

828,925 views

04:08

Mathematics

How to make a hexaflexagon

8,053,779 views

04:23

Mathematics

The coin flip conundrum

347,519 views

04:28

Literature & Language

How many verb tenses are there in English?

320,367 views

05:26

Mathematics

Can you solve the dark coin riddle?

1,121,125 views

05:10

Thinking & Learning

How to manage your time more effectively (according to machines)

1,200,827 views

05:08

Psychology

Why incompetent people think they're amazing

2,447,579 views

04:47

Mathematics

Can you solve the egg drop riddle?

1,822,828 views

05:41

Teaching & Education

Should we get rid of standardized testing?

418,020 views

04:01

Mathematics

Can you find the next number in this sequence?

425,754 views

04:10

Thinking & Learning

How to spot a misleading graph

651,079 views

04:50

Thinking & Learning

Can you solve the fish riddle?

2,734,167 views

05:07

Mathematics

Check your intuition: The birthday problem

1,059,068 views

05:24

Thinking & Learning

Can you solve the pirate riddle?

2,880,055 views

04:47

Psychology

How do focus groups work?

276,304 views

05:13

Thinking & Learning

Can you solve the virus riddle?

3,266,585 views

05:11

Psychology

Where do superstitions come from?

932,466 views

05:03

Psychology

How To Be Confident

1,766,488 views

04:54

Thinking & Learning

Can you solve the three gods riddle?

5,579,053 views

03:08

Health

Does chocolate really lower your blood pressure?

21,735 views

04:52

Science & Technology

Mary's Room: A philosophical thought experiment

1,515,284 views

04:56

Psychology

Would you sacrifice one person to save five?

1,449,646 views

04:35

Mathematics

Can you solve the counterfeit coin riddle?

3,561,889 views