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

Brain teasers are challenges that test your thinking and problem-solving abilities. They often require you to think ...

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 ...

"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!

One of the great puzzles of international economics has been the fact that the U.S. has tended to earn more money on its international investments (and lending) than it pays on its external debts.

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

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 ...

The first clue tells you that By The Lake (1st) and By The Lake (2nd) are blue. By The Lake (1st) tells you that In The Bush (1st), In The Bush (3rd) and In The Bush (5th) are one color, so the latter ...

Step 1: You are given information about DOUGH. Step 2: TOMATO SAUCE and TOMATO SLICES are both tomato products, so they are on the pizza by the DOUGH clue. Step 3: Since the TOMATO SAUCE clue says ...