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Sudoku Challenge | March 4, 2021

According to the work of cognitive scientist Jeremy Grabbe, solving Sudoku puzzles uses mental processes in what is known as working memory. Experiment by Grabbe showed that routine Sudoku playing could improve working memory in older people.

In another study on short-term memory, which involved 19,000 individuals, puzzle takers over the age of 50 had better brain function and appeared to operate at a level eight years younger than typical for their chronological age.

Click on the puzzle to open a large printable version. Save it to your computer and print. The puzzle solution will be published here a week from today. To help your brain stay sharp as a whip, visit The Sentinel for a new puzzle every week.


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St. Joseph-Ogden's Kennedy Hudson watches the ball she put in play fly out to left field on Saturday during the Spartans' home softball game against Salt Fork. Hudson's ball was good for a two-run homer to put SJO up 7-4 in the bottom of 6th inning. The Storm rallied back to get within one run of putting the game into extra innings before falling 7-6 in the non-conference contest. Hudson finished the game with a hit and a pair of RBIs.
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