Sudoku and crossword puzzles are popular mental exercises that enhance cognitive skills differently. Sudoku improves ...

Wausau Pilot & Review Today A 30 percent chance of rain, mainly after 4pm. Increasing clouds, with a high near 47. South wind ...

Killer sudoku is similar to the other levels in that each of the numbers 1-9 must fit into each 9-by-9 square. No number can be repeated more than once in the square or in a horizontal or vertical row ...