Sudoku is defined by Merriam-Webster as a 9-by-9 grid puzzle in which the grid is divided into 3-by-3 boxes. Every row, column and box must contain the numbers one through nine, no repeats. Need a ...

Sudoku is a logic-based number puzzle played on a 9x9 grid. The objective is to fill in the grid so that each row, column, and 3x3 box contains the numbers 1 to 9, without repeating any numbers.

Their DNA barcode Sudoku allows them to sift through this incredible mess of genetic information and assign each subsection to a specific well -- thus, identifying the full genome in every well.

"Sudoku is a puzzle with pure logic," Shortz says about the American invention. "It has a grid of 9-by-9 divided into nine 3-by-3 boxes. The object is to put the numbers into each box, row and ...

The puzzle is called the Miracle Sudoku and it’s made by fellow puzzle legend Mitchell Lee. And here are the special rules: “Any two cells separated by a knight’s move or a king’s move (in ...

A Sudoku is a puzzle involving a 9x9 grid into which the numbers one to nine must be placed. The catch is that each row, column and 3x3 box has to contain each of the numbers one to nine once, ...

Sudoku is a familiar challenge to newspaper readers and puzzle enthusiasts, requiring each vertical line, horizontal line and nine-square box to contain every number from one to nine.

Maki Kaji, a puzzle enthusiast and publisher who was known as the “Godfather of Sudoku” – the number puzzle played daily by millions around the world – has died, his company said. He was ...