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Where will you be able to live in 20 years?
lesson duration 05:06
303,647 views
Can you solve the rogue submarine riddle? Difficulty level: Master
lesson duration 06:19
409,241 views
Can you outsmart the slippery slope fallacy?
lesson duration 07:52
449,699 views
The method that can "prove" almost anything
lesson duration 05:06
653,558 views
The paradox at the heart of mathematics: Gödel's Incompleteness Theorem
lesson duration 05:20
1,653,642 views
Can you cheat death by solving this riddle?
lesson duration 04:53
1,968,443 views
How one design flaw almost toppled a skyscraper
lesson duration 05:16
589,619 views
Demolition, disease, and death: Building the Panama Canal
lesson duration 05:36
465,778 views
Why are airplanes slower than they used to be?
lesson duration 04:59
2,043,504 views
This tool will help improve your critical thinking
lesson duration 05:20
2,342,650 views
Can you outsmart the apples and oranges fallacy?
lesson duration 05:48
625,899 views
How much electricity does it take to power the world?
lesson duration 05:02
294,860 views
How would you finish the sentence, “Imagine if…”?
lesson duration 01:30
196,122 views