The World Sudoku Championships start on Monday, with competitors from 31 countries set to spend 28 hours solving the toughest ...

There are more than a few techniques to solve a Sudoku puzzle ... and can get players far into more difficult puzzles before switching to an advanced Sudoku strategy. Don't forget to check ...

Applied mathematicians have to find a balance between models that are realistic enough to be useful and simple enough to be ...

No words are needed for animals to perform all sorts of problem-solving challenges outplay humans in a strategy game New ...

In Connections, each category has a different difficulty level. Yellow is the simplest, and purple is the most difficult.

Michela Buttignol / Investopedia Hard skills are technical skills required for a job. They are learned abilities acquired and enhanced through education and experience. Hard skills are important ...

Generally, skills in the workplace can fall into one of two categories: hard skills and soft skills ... fostering open dialogue and collaborative problem-solving that resulted in a 20% increase ...

The report corroborates my own experience as an executive coach, where I have found that soft skills can be hard to find and difficult to master. There is an ongoing debate about the relative ...

Play our daily hard sudoku here. Plus, you can let us know what you think of the puzzles by emailing at hey@metro.co.uk. We look forward to hearing from you.

Connections: Sports Edition is a New York Times word game about finding common sports threads between words. How to solve the ...