But even the most dedicated Sudoku-solver might have never spotted this secret pattern. Mathematicians have uncovered a powerful pattern known as the 'Phistomefel Ring' - and it's hidden in every ...

On one level, sudoku is a simple and fun way to pass the time and keep the brain ticking – but dig deeper, and some fiendishly clever math patterns reveal themselves. The most recent to blow our minds ...

Inside the Republican false-flag effort to turn off Kamala Harris voters ...

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