Daily puzzlers would be quick to tell you that sudoku, Wordle’s mathematical cousin, is not as easy as it looks. The small grid, found often next to a word scramble or comic strip in a print newspaper ...

Earlier this year, while putting together a video about the world’s fastest solvers of the Rubik’s Cube, I decided to devote some time to learning to solve the classic puzzle myself. Tyson Mao, a ...

If there are nine people in a room and every person shakes hands exactly once with each of the other people, how many handshakes will there be? How can you prove your answer is correct using a model ...

Your email has been sent Once you decide the default Auto Date table isn’t adequate, you can create one that fulfills your grouping and filtering requirements in Microsoft Power BI. The article How to ...

You probably don’t need more time. By Jancee Dunn When I look back on all the major decisions I’ve dithered over, I could scream. It took me a decade to commit to becoming a parent. I wavered for a ...

For some people, solving a jigsaw puzzle is a relaxing activity, and their preferred way of winding down at the end of the day. For others, it’s a race to the finish. Sure, it’s fun to spend hours ...