Thinking & Learning
Can you steal the most powerful wand in the wizarding world?
lesson duration 05:20
141,516 views
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Thinking & Learning
Can you survive the creation of the universe by solving this riddle?
lesson duration 06:24
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Mathematics
Can you solve the rogue submarine riddle? Difficulty level: Master
lesson duration 06:19
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Science & Technology
This thought experiment will help you understand quantum mechanics
lesson duration 04:59
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