Which number must be inserted in place of the incorrect number? Show puzzle solution The number 75 must be replaced by the ...

September/2492024/Picture-Puzzle-Find-Number.jpg" width="1200" height="675" /> Take on the Picture Puzzle IQ Test and see if ...

The total value is represented by the digits in the tens and ones places of the number in column 3. This puzzle originally appeared in Spektrum der Wissenschaft and was reproduced with permission.

Only a small percentage of the population boasts an above-average IQ, so now's your opportunity to see how you measure up! ...

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Roula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter.

NPR's Ayesha Racsoe plays the puzzle with Puzzlemaster Will Shortz and KNPR listener Lisa Rock of Las Vegas, Nev.

The strange behavior of electrons in high-temperature superconductors like cuprates has been a mystery for years. A new study ...

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Explore daily insights on the USA TODAY crossword puzzle by . Uncover expert takes and answers in our crossword blog.

Highlights Press kicked off brainPLAY, a line of puzzle books spun off from 'brainPLAY' magazine for kids seven and up, which ...