Brain teasers are a fun and challenging way to improve our thinking skills. They come in many different forms, such as ...

A difficult puzzle where readers must count the number of sheep is pulling the wool over people's eyes. The sleep deprived have used counting sheep as a way of helping them to nod off for decades. And ...

I’m on the road this week. Save for a couple of brief layovers, I’ve been doing a lot of driving. In light of this, I was inspired to feature a puzzle that could be solved without pen and paper. It ...

If you were to list all the natural numbers from 1 to 1,000,000,000, which digit would you have to write least often and which would you have to write most often? Show puzzle solution First, we look ...

Eeny, meeny, miny, mo and the inconclusive history of counting-out rhymes. Thinking inside the boxes: a glimpse into the world of competitive crossword-puzzle solving. Around the world in school ...

Picture puzzle challenges test your visual skills. They improve your concentration and problem-solving skills by providing an ...

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