You have an exceptionally fast brain with an IQ of 140+ if you can solve this math puzzle in just 7 seconds. Put your brain ...

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It looks simple at first, but this math problem has the internet stumped. Don't be fooled - it demands more brainpower than ...

They're about to learn what hedge-fund investor Jim Simons proved in 1988: Having the same tools as a genius doesn't make you a genius.

Some say the reason most manhole covers are round is that a circle cannot fall through a smaller circular hole. Which of ...

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April Seubert, a teacher from Wisconsin with the unique maiden name April Folz, competed on Wheel of Fortune and won the game against two other teachers. Seubert solved the Bonus Round puzzle “Waiting ...

Marijn Heule turns mathematical statements into something like Sudoku puzzles, then has computers go to work on them. His ...

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