An Irish mathematician has used a complex algorithm and millions of hours of supercomputing time to solve an important open problem in the mathematics of Sudoku, the game popularized in Japan that ...

The problem Litt posted was: 'Suppose you have a urn containing 100 balls, n of which are red and 100-n are green, where n is uniformly distributed between 0 and 100. You randomly draw a ball from the ...

Martin Gardner’s Mathematical Games column in Scientific American fascinated and mystified readers for decades—and his legacy continues to bring mathematicians, artists and puzzlers together. Gardner ...

News of his death was announced by his step-niece Alison Fleming, who said: "Uncle Raymond Smullyan died yesterday at 97 years of age. He was a brilliant logician (What is the Name of this Book?), ...