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Ted-ed riddles

Can you solve the troll’s paradox riddle? – Dan Finkel

Practice more problem-solving at https://brilliant.org/TedEd/ Solution to bonus riddle: https://brilliant.org/TedEdTrollParadox/ You and your brother have discovered another realm and set off exploring the new wonderful world. Along the way, you see a troll catching creatures in an enormous net. The troll agrees to release the creatures if you can come …

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Can you solve the time travel riddle? – Dan Finkel

Practice more problem-solving at https://brilliant.org/TedEd/ Solution to bonus riddle: https://brilliant.org/TedEdTimeTravel/ Your professor has accidentally stepped through a time portal in his physics lab. You’ve got just a minute to jump through before it closes and leaves him stranded in history. Your only way back is to grab enough colored nodules …

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Can you solve the giant iron riddle? – Alex Gendler

Practice more problem-solving at https://brilliant.org/TedEd/ Solution to bonus riddle: https://brilliant.org/TedEdGiantIron/ The family of giants you work for is throwing a fancy dinner party, but there’s a problem — the elder giant’s favorite shirt is wrinkled! To fix it, you’ll need to power up the giant iron. It needs two batteries …

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Can you solve the secret werewolf riddle? – Dan Finkel

Practice more problem-solving at https://brilliant.org/TedEd/ Signup to receive the bonus riddle’s solution: https://brilliant.org/TedEdWerewolf/ You’re on the trail of a werewolf that’s been terrorizing your town. After months of detective work, you’ve narrowed your suspects to one of five people. You’ve invited them to dinner with a simple plan: to slip …

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Can you solve the stolen rubies riddle? – Dennis Shasha

Practice more problem-solving at https://brilliant.org/TedEd/ Solution to Bonus Riddle: https://brilliant.org/TedEdRuby/ Townspeople are demanding that a corrupt merchant’s collection of 30 rubies be confiscated to reimburse the victims of his schemes. The king announces that the fine will be determined through a game of wits between the merchant and the king’s …

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Can you solve the killer robo-ants riddle? – Dan Finkel

Practice more problem-solving at https://brilliant.org/TedEd/ Solution to Bonus Riddle: https://brilliant.org/TedEdRoboAnts/ The good news is that your experimental robo-ants are a success. The bad news is that you accidentally gave them the ability to shoot deadly lasers … and you can’t turn it off. Can you stop them from escaping their …

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Can you solve the alien probe riddle? – Dan Finkel

Practice more problem-solving at https://brilliant.org/TedEd/ Solution to Bonus Riddle: https://brilliant.org/TedEd3ColorCube/ Your team has developed a probe to study an alien monolith. It needs protective coatings — in red, purple or green — to cope with the environments it passes through. Can you figure out how to apply the colors so …

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Can you solve the rebel supplies riddle? – Alex Gendler

Practice more problem-solving at https://brilliant.org/TedEd/ Solution to Bonus Riddle: https://brilliant.org/tededmislabelledboxes/ You’re overseeing the delivery of supplies to a rebel base in the heart of enemy territory. To get past customs, all packages must follow this rule: if a box is marked with an even number on the bottom, it must …

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Zen kōans: unsolvable enigmas designed to break your brain – Puqun Li

Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/zen-koans-unsolvable-enigmas-designed-to-break-your-brain-puqun-li How do we explain the unexplainable? This question has inspired numerous myths, religious practices and scientific inquiries. But Zen Buddhists practicing throughout China from the 9th to 13th century asked a different question – why do we need an explanation? …

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