The signs are all there. The seclusive behavior. The long, unexplained absences. The change in behavior. The lying. The stealing. The refusal to enter a 12-step program. The accelerated heartbeat when ...

Pens, pencils and a facility with numbers. Also helpful: earplugs, plushies, a water bottle, calming herbal oil and the occasional “wild bifurcation” (a.k.a. a wild guess). Competitors at the World ...

It is a pastime most pursue in solitude -- at the breakfast table, on a crowded bus or even at the office. But the Sudoku number puzzle made its foray into the arena of spectator sport this weekend at ...

All the Latest Game Footage and Images from Sudoku - Premium Number Puzzle Sudoku for beginners and advanced players alike, with no ads, unlimited grids on or offline, 6 difficulty levels ranging from ...

With the right Sudoku tips, tricks and strategies, you can ace the puzzle every time! Here's your chance to become a Sudoku pro. Whether you’re a total beginner with no clue at all as to how to solve ...

Sudoku is a number puzzle that dates back to 1979 under the title Number Place but was later popularised in Japan in the form we know today as Sudoku. Gamovation's edition for your smartphone can help ...

So, you ask, what’s with the ninja? He’s always taunting you on RedEye’s cover, talking smack and daring you to complete his silly little Sudoku number puzzle. (Don’t ever let him hear you call it ...

Forbes contributors publish independent expert analyses and insights. I write about physics, science, academia, and pop culture. One of the great things about doing this kind of workshop is getting to ...