Daily sudoku: Take a break with this classic numbers puzzle

Daily sudoku: Take a break with this classic numbers puzzle

Get a new challenge every day with our free online sudoku puzzle.

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The world of science news never sleeps, but even we need to take a break every now and then. And what better way than to give our collective brains a good workout with sudoku?

The rules are simple: Each row, column and 3 x 3 box must contain the numbers 1 to 9, with no repeats. Sounds simple, right? Sometimes it is; other times, it's a little more challenging. (That's when tapping the hints button comes in handy.) Regardless, it's a great way to step back for a bit and crunch some numbers.

Come back every day for a new sudoku. Enjoy!

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