He was credited with inventing the jigsaw puzzle in 1767, and they would mostly be used as teaching aids until the early to ...

In short, proof-theoretic semantics is inferentialism made concrete. This has seen substantial development in the last few years. While the results remain technical, they are revolutionising our ...

Think you're a true mastermind? These riddles are here to test your logic skills! Each one challenges you to think outside ...

"I also have one for the guitar, and then, I also have this one for the violin." The Allentown native plays several ...

It’s like an Italian grandma forgetting how to make a red sauce. It’s like Starbucks being out of coffee. The Edmonton Oilers ...

It might not seem like there's enough information to solve these logic puzzles at first—but that's part of the fun!

Arthur Wynne, the son of the editor of the local Liverpool Mercury, had emigrated to America aged 19 and by 1913 was editing ...

Murdle, a free daily online logic puzzle in which the player solves a murder mystery ... “I could not have asked for better.” ...

Was it scary to knock on all those Marines’ doors? What was it like to report in Iraq? Is it still possible for any Marines to face consequences for what happened in Haditha? The In the Dark ...

Logic Problems magazine has been a popular puzzle magazine for over 20 years. Buy a single copy of PUZZLER LOGIC PROBLEMS or a subscription of your desired length, delivered worldwide. Current issues ...

Martin Gardner’s Mathematical Games column in Scientific American fascinated and mystified readers for decades—and his legacy ...

From the clue in cell 8, we know that cell 18 is c. We also know that the corner cells contain E, I, O and U. The letter E must be in the fifth column, since there is only one step between C and E ...