Others strategize their way through a sudoku grid or work out a word search not necessarily because they enjoy it but because ...

A maths question that should be 'easy' to solve has been leaving people online completely stumped, as one twist makes it much ...

Used on television quiz shows, people are perplexed about what the answer to this puzzling question could be. Can you guess ...

Lewis Carroll’s best-known work may hold traces of his beliefs as an Oxford maths professor. Marrying imagination with logic, ...

He adds that he selected Lichess for this experiment as it allows developers to set up bot accounts to interact with chess in ...