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    Can you solve the bridge riddle? - Alex Gendler - Duration: 3 minutes, 50 seconds.

    • 10,979,964 views
    • 1 year ago

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  • 4:35

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    Can you solve the prisoner hat riddle? - Alex Gendler - Duration: 4 minutes, 35 seconds.

    • 10,003,960 views
    • 1 year ago

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  • 12:08

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    Questions No One Knows the Answers to (Full Version) - Duration: 12 minutes.

    • 9,694,015 views
    • 5 years ago

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  • 5:42

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    The language of lying — Noah Zandan - Duration: 5 minutes, 42 seconds.

    • 8,440,673 views
    • 2 years ago

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    What are those floaty things in your eye? - Michael Mauser - Duration: 4 minutes, 5 seconds.

    • 8,176,320 views
    • 2 years ago

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  • 4:42

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    Can you solve the famously difficult green-eyed logic puzzle? - Alex Gendler - Duration: 4 minutes, 42 seconds.

    • 6,697,327 views
    • 2 years ago

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  • 5:13

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    Can you solve "Einstein’s Riddle"? - Dan Van der Vieren - Duration: 5 minutes, 13 seconds.

    • 6,497,040 views
    • 1 year ago

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  • 6:35

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    A glimpse of teenage life in ancient Rome - Ray Laurence - Duration: 6 minutes, 35 seconds.

    • 5,938,789 views
    • 4 years ago

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  • 4:39

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    The unexpected math behind Van Gogh's "Starry Night" - Natalya St. Clair - Duration: 4 minutes, 39 seconds.

    • 5,787,743 views
    • 2 years ago

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  • 6:00

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    The Infinite Hotel Paradox - Jeff Dekofsky - Duration: 6 minutes.

    • 5,739,018 views
    • 3 years ago

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  • 4:45

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    How playing an instrument benefits your brain - Anita Collins - Duration: 4 minutes, 45 seconds.

    • 5,697,537 views
    • 3 years ago

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  • 5:03

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    How sugar affects the brain - Nicole Avena - Duration: 5 minutes, 3 seconds.

    • 5,575,248 views
    • 3 years ago

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  • 4:13

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    Can you solve the temple riddle? - Dennis E. Shasha - Duration: 4 minutes, 13 seconds.

    • 5,092,856 views
    • 1 year ago

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  • 4:52

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    What would happen if you didn’t drink water? - Mia Nacamulli - Duration: 4 minutes, 52 seconds.

    • 5,037,748 views
    • 1 year ago

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    Can you solve the locker riddle? - Lisa Winer - Duration: 3 minutes, 50 seconds.

    • 4,816,398 views
    • 1 year ago

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  • 2:40

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    The loathsome, lethal mosquito - Rose Eveleth - Duration: 2 minutes, 40 seconds.

    • 4,724,275 views
    • 3 years ago

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  • 4:08

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    Can you solve the passcode riddle? - Ganesh Pai - Duration: 4 minutes, 8 seconds.

    • 4,496,986 views
    • 1 year ago

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  • 4:20

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    What makes muscles grow? - Jeffrey Siegel - Duration: 4 minutes, 20 seconds.

    • 4,493,569 views
    • 1 year ago

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  • 4:54

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    Can you solve the three gods riddle? - Alex Gendler - Duration: 4 minutes, 54 seconds.

    • 4,331,644 views
    • 5 months ago

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    Can you solve the prisoner boxes riddle? - Yossi Elran - Duration: 4 minutes, 52 seconds.

    • 4,288,112 views
    • 10 months ago

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  • 4:31

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    Can you solve the frog riddle? - Derek Abbott - Duration: 4 minutes, 31 seconds.

    • 4,202,308 views
    • 1 year ago

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  • 4:35

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    What would happen if you didn’t sleep? - Claudia Aguirre - Duration: 4 minutes, 35 seconds.

    • 4,168,100 views
    • 1 year ago

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  • 4:58

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    Why do cats act so weird? - Tony Buffington - Duration: 4 minutes, 58 seconds.

    • 4,081,877 views
    • 1 year ago

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  • 3:59

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    Why do we cry? The three types of tears - Alex Gendler - Duration: 3 minutes, 59 seconds.

    • 3,863,251 views
    • 3 years ago

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  • 8:39

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    Four sisters in Ancient Rome - Ray Laurence - Duration: 8 minutes, 39 seconds.

    • 3,800,598 views
    • 4 years ago

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  • 4:27

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    The benefits of good posture - Murat Dalkilinç - Duration: 4 minutes, 27 seconds.

    • 3,567,651 views
    • 2 years ago

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  • 7:18

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    8 traits of successful people - Richard St. John - Duration: 7 minutes, 18 seconds.

    • 3,507,109 views
    • 4 years ago

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  • 5:28

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    Just How Small is an Atom? - Duration: 5 minutes, 28 seconds.

    • 3,390,503 views
    • 5 years ago

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  • 5:25

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    How to build a fictional world - Kate Messner - Duration: 5 minutes, 25 seconds.

    • 3,384,220 views
    • 3 years ago

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  • 4:34

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    What makes a hero? - Matthew Winkler - Duration: 4 minutes, 34 seconds.

    • 3,364,616 views
    • 4 years ago

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