If you’ve ever played Tetris whether it was at an old-school Gameboy, or just on your iPhone then you know: It’s 8-bit enchantment. “Years of my life were lost disappearing into a game of Tetris on my Nintendo system,” says Kate Sweeny, a psychologist at the University of California, Riverside. But maybe the hours she spent lining those little blocks (“tetriminos”) into perfect rows of 10 weren’t a total waste. Her latest research suggests that Tetris can ease us through periods of anxiety by getting us to a blissfully engrossed mental state that psychologists call “flow.” “The state of flow is one where you’re completely absorbed or engaged in some kind of activity,” Sweeny explains. “You lose your self-awareness, and time is just flying by………