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Can you solve the rogue submarine riddle? - Alex Rosenthal
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Surviving The Deadliest Game
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Can you solve the airplane riddle? - Judd A. Schorr
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Can you solve the human cannonball riddle? - Alex Rosenthal
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Who Invented the Metric System (and Why It Isn’t As Perfect as You Think)
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Why this font is everywhere
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Can you solve the sea monster riddle? - Dan Finkel
10:42